午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

5-(tetrahydro-2H-pyran-4-yl)pyrazin-2-ol

5-(tetrahydro-2H-pyran-4-yl)pyrazin-2-ol ??? ???
?? ??:
2222934-67-8
???:
5-(tetrahydro-2H-pyran-4-yl)pyrazin-2-ol
???(??):
5-(tetrahydro-2H-pyran-4-yl)pyrazin-2-ol;2(1H)-Pyrazinone, 5-(tetrahydro-2H-pyran-4-yl)-
CBNumber:
CB04864952
???:
C9H12N2O2
??? ??:
180.2
MOL ??:
2222934-67-8.mol

5-(tetrahydro-2H-pyran-4-yl)pyrazin-2-ol ??

??
1.34±0.1 g/cm3(Predicted)
?? ?? (pKa)
11.52±0.40(Predicted)

??

5-(tetrahydro-2H-pyran-4-yl)pyrazin-2-ol C??? ??, ??, ??

5-(tetrahydro-2H-pyran-4-yl)pyrazin-2-ol ?? ?? ? ???

???

?? ??


5-(tetrahydro-2H-pyran-4-yl)pyrazin-2-ol ?? ??

???( 2)?? ??
??? ?? ??? ?? ?? ? ??
Combiphos (Shanghai) Biological Technology Co., Ltd. 021-65232103 17602124823
combiphos@vip.qq.com China 29909 58
Jinan Xinhongtai Chemical Co. LTD 13000000000
jnxinhongtai@126.com China 19528 58

Copyright 2019 ? ChemicalBook. All rights reserved