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

3-b]pyrazine

3-b]pyrazine ??? ???
?? ??:
882856-62-4
???:
3-b]pyrazine
???(??):
3-b]pyrazine;MFCD20327970;2-broMopyrazino[2;2-broMo-5H-pyrrolo[2;Pyrazino[2,3-b]pyrazine, bromo-;Pyrazino[2,3-b]pyrazine, 2-bromo-
CBNumber:
CB02546726
???:
C6H3BrN4
??? ??:
211.02
MOL ??:
882856-62-4.mol

3-b]pyrazine ??

?? ?
295.4±35.0 °C(Predicted)
??
1.873±0.06 g/cm3(Predicted)
?? ?? (pKa)
-3.75±0.30(Predicted)

??

3-b]pyrazine C??? ??, ??, ??

3-b]pyrazine ?? ?? ? ???

???

5-???-???-2,3-??? 1,2-Ethenediylbis(oxy) (9CI)

?? ??

3-b]pyrazine ?? ??

???( 14)?? ??
??? ?? ??? ?? ?? ? ??
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788
 jkinfo@jkchemical.com China 94657 76
Mashilabs (Shanghai) Co.,Ltd. 19916721580
 mafarm@126.com China 4307 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 +86-13028896684;
 sales@rrkchem.com China 57401 58
Lanzhou Kangyuxin Biotechnology Co., Ltd. 0931-4190454 13893344397
 sales@kyxpharma.com China 2691 58
Shanghai Sunway Pharmaceutical Technology Co.,Ltd. 021-51816796-820 13611835272
 sales2@sunwaypharm.com China 44458 58
Shanghai He-H Chemical Technology Co., Ltd 18621911604
 987025641@qq.com China 638 58
Accela ChemBio Co.,Ltd. 021-50795510 4000665055
 SY06@accelachem.com China 10314 58
Nanjing Shizhou Biology Technology Co.,Ltd --
 purchase@synzest.com China 6857 58
Carbosynth --
 sales@carbosynth.com United Kingdom 6005 58
Copyright 2019 ? ChemicalBook. All rights reserved