天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one

3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one ??? ???
?? ??:
2256754-94-4
???:
3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one
???(??):
3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one;2(1H)-Pyridinone, 3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
CBNumber:
CB24862255
???:
C15H20BN3O3
??? ??:
301.15
MOL ??:
2256754-94-4.mol

3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one ??

??
1.20±0.1 g/cm3(Predicted)
?? ?? (pKa)
10.29±0.10(Predicted)

??

3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one C??? ??, ??, ??

3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one ?? ?? ? ???

???

?? ??


3-(4-methyl-1H-pyrazol-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one ?? ??

???( 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