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3-??-5,6,7,8-??????-1,6-?????

3-??-5,6,7,8-??????-1,6-????? ??? ???

???(??):: 3-Methyl-5,6,7,8-tetrahydro-1,6phthyridine;3-Methyl-5,6,7,8-tetrahyrdo-1,6-napthyridine;1,6-Naphthyridine, 5,6,7,8-tetrahydro-3-methyl-

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3-??-5,6,7,8-??????-1,6-????? ??

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Sitagliptin Meldrum's Acid Fenasi 3-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine 3-chloro-5,6,7,8-tetrahydro-1,6-naphthyridine hydrochloride 5,6,7,8-tetrahydro-1,6-naphthyridine HCl tert-butyl 3-(trifluoroMethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine-6-carboxylate 3-fluoro-5,6,7,8-tetrahydro-1,6-naphthyridine 3-(trifluoroMethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine hydrochloride 3-BROMO-5,6,7,8-TETRAHYDRO-1,6-NAPHTHYRIDINE 2-P-TOLYL-4,5,6,7-TETRAHYDRO-OXAZOLO[5,4-C]PYRIDINE 3-methoxy-5,6,7,8-tetrahydro-1,6-naphthyridine 3-Chloro-5,6,7,8-tetrahydro-1,6-naphthyridine, hydrochloride