一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine

7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine ??? ???
?? ??:
921938-81-0
???:
7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine
???(??):
2H-Pyrido[3,2-b]-1,4-oxazine-7-methanol, 3,4-dihydro-4-methyl-;(4-Methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)methanol;3,4-Dihydro-7-(hydroxymethyl)-4-methyl-2H-pyrido[3,2-b][1,4]oxazine;7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine;3,4-Dihydro-7-(hydroxymethyl)-4-methyl-2H-pyrido[3,2-b][1,4]oxazine 97%
CBNumber:
CB9957028
???:
C9H12N2O2
??? ??:
180.2
MOL ??:
921938-81-0.mol

7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine ??

???
79.5-83.5
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
?? ?? ?? Harmful
HS ?? 2933399990
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P260 ??·?·??·???·??·...·????? ???? ???.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
NFPA 704
1
2 0

7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine C??? ??, ??, ??

7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine ?? ?? ? ???

???

?? ??


7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine ?? ??

???( 9)?? ??
??? ?? ??? ?? ?? ? ??
J & K SCIENTIFIC LTD. 18210857532 18210857532
jkinfo@jkchemical.com China 96815 76
Thermo Fisher Scientific 800-810-5118
cnchemical@thermofisher.com China 17770 75
9ding chemical ( Shanghai) Limited 4009209199
sales@9dingchem.com China 22514 55
Energy Chemical 021-58432009 400-005-6266
marketing@energy-chemical.com China 44918 58

7-(Hydroxymethyl)-4-methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
都江堰市| 仙居县| 通许县| 彭州市| 泰来县| 德昌县| 和静县| 孟村| 平塘县| 潼南县| 南华县| 乌苏市| 高雄县| 梧州市| 灌南县| 南投县| 开封县| 金华市| 中宁县| 玉环县| 襄城县| 元氏县| 伊川县| 中卫市| 南和县| 宝应县| 泰安市| 威信县| 棋牌| 屏东市| 辽阳市| 阳曲县| 望都县| 新和县| 阳西县| 萨嘎县| 晋中市| 阿克苏市| 彩票| 莎车县| 漳浦县|