成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl- (9CI)

Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl- (9CI) ??? ???
?? ??:
67074-71-9
???:
Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl- (9CI)
???(??):
1-Methylpyrido[2,3-b]pyrazine-2,3(1H,4H)-dione;3-Hydroxy-1-methyl-1H-pyrido[2,3-b]pyrazin-2-one;1-METHYL-1,4-DIHYDROPYRIDO[2,3-B]PYRAZINE-2,3-DIONE;Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl-;Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl- (9CI)
CBNumber:
CB81057126
???:
C8H7N3O2
??? ??:
177.16
MOL ??:
67074-71-9.mol

Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl- (9CI) ??

?? ??
Sealed in dry,Room Temperature
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl- (9CI) C??? ??, ??, ??

Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl- (9CI) ?? ?? ? ???

???

?? ??


Pyrido[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-1-methyl- (9CI) ?? ??

???( 13)?? ??
??? ?? ??? ?? ?? ? ??
Shanghai TuZhi Chemical Co., Ltd. 19542790274 19542790274
2119559397@qq.com China 883 50
Yujinpharma(Tianjin) Technology Co.,Ltd. 13370351217 kungfu1217@1
kungfu1217@163.com China 8982 58
Zhengzhou Convergence Chemical Co. LTD 0371-53736046 13393710386
2853979814@qq.com China 9997 58
Energy Chemical 021-58432009 400-005-6266
marketing@energy-chemical.com China 44918 58
Shanghai Sunway Pharmaceutical Technology Co.,Ltd. 021-51816796-820 13611835272
sales2@sunwaypharm.com China 44458 58
Bide Pharmatech Ltd. 400-6005915
sales@picasso-e.com China 39665 58
Shanghai Haohong Scientific Co., Ltd. 400-400-8210725
malulu@leyan.com China 39990 58
Beijing Solarbio Science & Tecnology Co., Ltd. 010-50973130 17801761073
Gsiyu@solarbio.com China 50464 58
Shanghai Jieshikai Biotechnology Co. , Ltd. 021-57520305 15221441005
wangkang@jskchem.com China 49234 58
Synthonix Inc --
info@synthonix.com United States 6872 58

Copyright 2019 ? ChemicalBook. All rights reserved