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13,14-didehydroprostaglandin E2 13,14-didehydroprostaglandin E2
5',6'-didehydro-6'-deoxy-6'-fluorohomoadenosine 5',6'-didehydro-6'-deoxy-6'-fluorohomoadenosine
4,5-didehydroisocarbacyclin 4,5-didehydroisocarbacyclin
5',6'-didehydro-6'-deoxy-6'-chlorohomoadenosine 5',6'-didehydro-6'-deoxy-6'-chlorohomoadenosine
2',3'-didehydro-2',3'-dideoxy-5-chlorocytidine 2',3'-didehydro-2',3'-dideoxy-5-chlorocytidine
4-(9,10-didehydroergolin-8-yl)methylpiperazine-2,6-dione 4-(9,10-didehydroergolin-8-yl)methylpiperazine-2,6-dione
13,14-didehydro-20-methylcarboprostacyclin 13,14-didehydro-20-methylcarboprostacyclin
16,17-didehydrostemofoline 16,17-didehydrostemofoline
5',6'-didehydro-6'-deoxy-6'-iodohomoadenosine 5',6'-didehydro-6'-deoxy-6'-iodohomoadenosine
1,2-didehydropipecolate reductase 1,2-didehydropipecolate reductase
9,10-Didehydro-N,N-diethyl-12-hydroxy-6-methylergoline-8β-carboxamide 9,10-Didehydro-N,N-diethyl-12-hydroxy-6-methylergoline-8β-carboxamide
6,7-Didehydro-4,5α-epoxy-8α-methoxy-17-methylmorphinan-3-ol 6,7-Didehydro-4,5α-epoxy-8α-methoxy-17-methylmorphinan-3-ol
1-[(9,10-Didehydro-1,6-dimethylergolin-8β-yl)carbonyl]pyrrolidine 1-[(9,10-Didehydro-1,6-dimethylergolin-8β-yl)carbonyl]pyrrolidine
7,8-Didehydro-6β-(acetylthio)-4,5α-epoxy-17-methylmorphinan-3,14-diol 7,8-Didehydro-6β-(acetylthio)-4,5α-epoxy-17-methylmorphinan-3,14-diol
31,32-Didehydro-132-(methoxycarbonyl)phytochlorin methyl ester 31,32-Didehydro-132-(methoxycarbonyl)phytochlorin methyl ester
7,8-Didehydro-4,5α-epoxy-17-methyl-3,6α-bis[(trimethylsilyl)oxy]morphinan 7,8-Didehydro-4,5α-epoxy-17-methyl-3,6α-bis[(trimethylsilyl)oxy]morphinan
15,16-Didehydro-15,16-dideoxy-17-norpodolactone B 15,16-Didehydro-15,16-dideoxy-17-norpodolactone B
9,10-Didehydro-N,N,6-trimethylergoline-8β-carboxamide 9,10-二去氫-N,N,6-三甲基麥角靈-8B-甲酰胺
(3β,20α)-1,2-Didehydro-2,7-dihydro-11,17α-dimethoxy-7β-hydroperoxy-18β-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16β-carboxylic acid methyl ester (3β,20α)-1,2-Didehydro-2,7-dihydro-11,17α-dimethoxy-7β-hydroperoxy-18β-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16β-carboxylic acid methyl ester
6,7-Didehydro-15,16-dimethoxy-22α-methylobscurinervan-21-one 6,7-Didehydro-15,16-dimethoxy-22α-methylobscurinervan-21-one
2',3'-Didehydro-2',3'-dideoxy-5-methylcytidine 5'-triphosphoric acid 2',3'-Didehydro-2',3'-dideoxy-5-methylcytidine 5'-triphosphoric acid
4',5'-Didehydro-2'-methylene-2',5'-dideoxyadenosine 4',5'-Didehydro-2'-methylene-2',5'-dideoxyadenosine
16,17-Didehydro-16-(methoxycarbonyl)-4,19α-dimethyl-18-oxayohimban-4-ium 16,17-Didehydro-16-(methoxycarbonyl)-4,19α-dimethyl-18-oxayohimban-4-ium
1,2-Didehydro-17-methoxyaspidospermidine 1,2-Didehydro-17-methoxyaspidospermidine
18,19-Didehydroyohimban-17-one 18,19-Didehydroyohimban-17-one
7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol 6-formate 鹽酸阿撲嗎啡半水合物B
2,3-Didehydro-7-ethyl-7α-hydroxy-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester 2,3-Didehydro-7-ethyl-7α-hydroxy-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester
5,18-Didehydro-5,6-dihydro-β,φ-carotene 5,18-Didehydro-5,6-dihydro-β,φ-carotene
1,2-Didehydro-3-O,4-O,6-O-tribenzyl-β-D-galactopyranose 1,2-Didehydro-3-O,4-O,6-O-tribenzyl-β-D-galactopyranose
6,7-Didehydro-5',6'-oxy-5,5',6,6'-tetrahydro-3,3',5,19'-tetrahydroxy-β,β-carotene 6,7-Didehydro-5',6'-oxy-5,5',6,6'-tetrahydro-3,3',5,19'-tetrahydroxy-β,β-carotene
2,16-Didehydrocuran-17-al 2,16-Didehydrocuran-17-al
18,19-Didehydrocorynan-17-al 18,19-Didehydrocorynan-17-al
1,6-Didehydro-3β-methoxy-15,16-[methylenebis(oxy)]-11a-homoerythrinan-2β-ol 1,6-Didehydro-3β-methoxy-15,16-[methylenebis(oxy)]-11a-homoerythrinan-2β-ol
1,2-Didehydroaspidospermidin-20-one 1,2-Didehydroaspidospermidin-20-one
7,8-Didehydro-4,5α-epoxy-3-methoxy-6α-acetyl-17-(2-carboxyethyl)morphinan 7,8-Didehydro-4,5α-epoxy-3-methoxy-6α-acetyl-17-(2-carboxyethyl)morphinan
(16α,17α)-19,20-Didehydro-17-hydroxyyohimban-16-carboxylic acid methyl ester (16α,17α)-19,20-Didehydro-17-hydroxyyohimban-16-carboxylic acid methyl ester
(15β)-20,21-Didehydro-16β-(hydroxymethyl)-18,19-secoyohimban-19-oic acid methyl ester (15β)-20,21-Didehydro-16β-(hydroxymethyl)-18,19-secoyohimban-19-oic acid methyl ester
1,6-Didehydro-12,17-dihydro-12β-hydroxy-3β-methoxy-11a-homo-16(15H)-oxaerythrinan-15-one 1,6-Didehydro-12,17-dihydro-12β-hydroxy-3β-methoxy-11a-homo-16(15H)-oxaerythrinan-15-one
4,5-Didehydroacenaphthene 4,5-Didehydroacenaphthene
14,15-Didehydrophragmalin 2,30-diacetate 3-(2,3-dimethyloxiranecarboxylate) 14,15-Didehydrophragmalin 2,30-diacetate 3-(2,3-dimethyloxiranecarboxylate)
(3β,15β,20α)-16,17-Didehydro-1-methyl-17a-homo-18-oxayohimban-17a-one (3β,15β,20α)-16,17-Didehydro-1-methyl-17a-homo-18-oxayohimban-17a-one
(14α)-6,7-Didehydro-3-methoxy-17-methylmorphinan (14α)-6,7-Didehydro-3-methoxy-17-methylmorphinan
(+)-9,10-Didehydro-2-(125I)iodo-6-methyl-1,N,N-triethylergoline-8β-carboxamide (+)-9,10-Didehydro-2-(125I)iodo-6-methyl-1,N,N-triethylergoline-8β-carboxamide
(5α,13β,19α)-1,2-Didehydro-3α-methoxycrinan-11-one (5α,13β,19α)-1,2-Didehydro-3α-methoxycrinan-11-one
6,7-Didehydro-21-methoxycarbonyl-8-oxoaspidofractinine 9-oxide 6,7-Didehydro-21-methoxycarbonyl-8-oxoaspidofractinine 9-oxide
16,17-Didehydro-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester MAYUMBINE
1,6-Didehydrosparteinium 1,6-Didehydrosparteinium
7,8-Didehydro-3β-hydroxy-5α-lanostan-30-al 7,8-Didehydro-3β-hydroxy-5α-lanostan-30-al
17,18-Didehydro-23-[(E)-1,5-dimethyl-4-hexenylidene]-12,16-cyclo-1,12-secodaphnane 17,18-Didehydro-23-[(E)-1,5-dimethyl-4-hexenylidene]-12,16-cyclo-1,12-secodaphnane
5,6-Didehydro-3-methoxy-6,17-dimethylmorphinan 5,6-Didehydro-3-methoxy-6,17-dimethylmorphinan
(13β,14β)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylhasubanan-9α-ol (13β,14β)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylhasubanan-9α-ol
2,16-Didehydro-16-(methoxycarbonyl)condyfolan 4-oxide 2,16-Didehydro-16-(methoxycarbonyl)condyfolan 4-oxide
7,8-Didehydro-4,5α-epoxy-6α-hydroxy-17-(2-propenyl)morphinan-3-yl β-D-glucopyranosiduronic acid 7,8-Didehydro-4,5α-epoxy-6α-hydroxy-17-(2-propenyl)morphinan-3-yl β-D-glucopyranosiduronic acid
3,12-Didehydro-9,10-dimethoxygalanthan-1α-ol 3,12-Didehydro-9,10-dimethoxygalanthan-1α-ol
4,12-Didehydro-2β,9,10-trimethoxygalanthan-1α,3α-diol 4,12-Didehydro-2β,9,10-trimethoxygalanthan-1α,3α-diol
18,19-Didehydro-10-methoxycorynan-17-ol 18,19-Didehydro-10-methoxycorynan-17-ol
4',5'-Didehydro-3'-methylene-3',5'-dideoxyadenosine 4',5'-Didehydro-3'-methylene-3',5'-dideoxyadenosine
12,13-didehydro-F430 12,13-didehydro-F430
15,15'-didehydroastaxanthin 15,15'-didehydroastaxanthin
7,8-Didehydro-4,5α-epoxy-6β-ethoxy-17-methylmorphinan-3-ol 7,8-Didehydro-4,5α-epoxy-6β-ethoxy-17-methylmorphinan-3-ol
(5α,13β,19α)-1,2-Didehydro-3β-methoxycrinan-11-one (5α,13β,19α)-1,2-Didehydro-3β-methoxycrinan-11-one
2',3'-Didehydro-2',3'-dideoxyguanosine 2',3'-DIDEHYDRO-2',3'-DIDEOXYGUANOSINE
1,6-Didehydro-3α-methoxy-15,16-[methylenebis(oxy)]-11a-homoerythrinan-2β-ol 1,6-Didehydro-3α-methoxy-15,16-[methylenebis(oxy)]-11a-homoerythrinan-2β-ol
4,5-Didehydro-6-hydroxy-3-oxocholanic acid 4,5-Didehydro-6-hydroxy-3-oxocholanic acid
(14ξ)-5,6-Didehydro-4-hydroxy-3,6-dimethoxy-17-methylmorphinan-7-one (14ξ)-5,6-Didehydro-4-hydroxy-3,6-dimethoxy-17-methylmorphinan-7-one
(9α,13α)-5,6-Didehydro-2-hydroxy-3,6-dimethoxy-17-methylmorphinan-7-one (9α,13α)-5,6-Didehydro-2-hydroxy-3,6-dimethoxy-17-methylmorphinan-7-one
(+)-2,3-Didehydro-20-oxoaspidospermidine-3-carboxylic acid methyl ester (+)-2,3-Didehydro-20-oxoaspidospermidine-3-carboxylic acid methyl ester
(5α,25α)-8,9-Didehydrocevane-3α,6α-diol (5α,25α)-8,9-Didehydrocevane-3α,6α-diol
7,8-Didehydro-3-methoxy-17-methylmorphinan-6α-ol 7,8-Didehydro-3-methoxy-17-methylmorphinan-6α-ol
(3β)-16,17-Didehydro-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester (3β)-16,17-Didehydro-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester
6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one 6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one
16,17-Didehydro-15β-hydroxy-21-(2-hydroxyethyl)-4-methylatidan-7-one 16,17-Didehydro-15β-hydroxy-21-(2-hydroxyethyl)-4-methylatidan-7-one
6,7-Didehydro-4,5α-epoxy-3,8β-dimethoxy-17-methylmorphinan 6,7-Didehydro-4,5α-epoxy-3,8β-dimethoxy-17-methylmorphinan
3,12-Didehydro-11-methoxy-9,10-[methylenebis(oxy)]galanthan-1α-ol 3,12-Didehydro-11-methoxy-9,10-[methylenebis(oxy)]galanthan-1α-ol
9,10-Didehydro-N-ethyl-6-methylergoline-8β-carboxamide 9,10-Didehydro-N-ethyl-6-methylergoline-8β-carboxamide
7,8-Didehydro-4,5α-epoxy-3,6α-bis[(trimethylsilyl)oxy]morphinan 7,8-Didehydro-4,5α-epoxy-3,6α-bis[(trimethylsilyl)oxy]morphinan
1,6-Didehydro-15-hydroxy-3β-methoxy-9-methylerythrinan-9-ium 1,6-Didehydro-15-hydroxy-3β-methoxy-9-methylerythrinan-9-ium
9,10-Didehydro-α-cyano-6-methylergoline-8-propionamide 9,10-Didehydro-α-cyano-6-methylergoline-8-propionamide
2,16-Didehydrocuran-17-oic acid methyl ester 2,16-Didehydrocuran-17-oic acid methyl ester
1,2-Didehydro-1,2-dideoxy-3-O-benzyl-4-O,6-O-benzylidene-β-D-glucopyranose 1,2-Didehydro-1,2-dideoxy-3-O-benzyl-4-O,6-O-benzylidene-β-D-glucopyranose
7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-ol dihydrogen phosphate 7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-ol dihydrogen phosphate
16,17-Didehydrorifamycin G 16,17-Didehydrorifamycin G
5,6-Didehydro-5,6-dideoxy-2-O,3-O-isopropylidene-6-nitro-1-O-methyl-α-D-mannofuranose 5,6-Didehydro-5,6-dideoxy-2-O,3-O-isopropylidene-6-nitro-1-O-methyl-α-D-mannofuranose
6,7-Didehydro-3-methoxy-6,17-dimethylmorphinan 6,7-Didehydro-3-methoxy-6,17-dimethylmorphinan
4,5-Didehydro-5,6-dihydroretinoic acid 4,5-Didehydro-5,6-dihydroretinoic acid
2',3'-Didehydro-3'-deoxythymidine 5'-acetate 2',3'-Didehydro-3'-deoxythymidine 5'-acetate
9,10-Didehydro-9-deoxy-10,11-dihydro-11-hydroxyleucomycin V 3,4''-dipropionate 9,10-Didehydro-9-deoxy-10,11-dihydro-11-hydroxyleucomycin V 3,4''-dipropionate
16,17-Didehydro-12α,14β,19-trihydroxykauran-15-one 16,17-Didehydro-12α,14β,19-trihydroxykauran-15-one
1,2-Didehydro-3β,15-dimethoxyerythrinan 1,2-Didehydro-3β,15-dimethoxyerythrinan
7,8-Didehydro-4,5α-epoxy-17-(2-propenyl)morphinan-3,6α-diol 6-sulfuric acid 7,8-Didehydro-4,5α-epoxy-17-(2-propenyl)morphinan-3,6α-diol 6-sulfuric acid
1,6-Didehydro-15,16-dimethoxyerythrinan-2-one 1,6-Didehydro-15,16-dimethoxyerythrinan-2-one
9,10-Didehydro-N,N-diethyl-12-methoxy-6-methylergoline-8β-carboxamide 9,10-Didehydro-N,N-diethyl-12-methoxy-6-methylergoline-8β-carboxamide
6,7-Didehydro-4,5α-epoxy-3-methoxy-8β-phenoxymorphinan 6,7-Didehydro-4,5α-epoxy-3-methoxy-8β-phenoxymorphinan
3,4-Didehydro-1,2,7',8',11',12'-hexahydro-1-methoxy-ψ,ψ-carotene 3,4-Didehydro-1,2,7',8',11',12'-hexahydro-1-methoxy-ψ,ψ-carotene
2,3-Didehydro-7-ethyl-7α-hydroxy-4,8-cyclo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester 2,3-Didehydro-7-ethyl-7α-hydroxy-4,8-cyclo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester
7,8-Didehydro-4,5α-epoxy-14-hydroxy-3-methoxy-17-propylmorphinan-6-one 7,8-Didehydro-4,5α-epoxy-14-hydroxy-3-methoxy-17-propylmorphinan-6-one
14,15-Didehydrophragmalin 2-acetate 3-[(E)-2-methyl-2-butenoate]30-propanoate 14,15-Didehydrophragmalin 2-acetate 3-[(E)-2-methyl-2-butenoate]30-propanoate
(20α)-16,17-Didehydro-11-methoxy-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester (20α)-16,17-Didehydro-11-methoxy-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester
5,6-Didehydro-3,6-dimethoxy-17-methylmorphinan 5,6-Didehydro-3,6-dimethoxy-17-methylmorphinan
(5ξ,6ξ,7ξ,12ξ,19ξ)-2,3-Didehydro-6,7-epoxy-16-methoxyaspidospermidine-3-carboxylic acid methyl ester (5ξ,6ξ,7ξ,12ξ,19ξ)-2,3-Didehydro-6,7-epoxy-16-methoxyaspidospermidine-3-carboxylic acid methyl ester
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