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

2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine

2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine ??? ???
?? ??:
2222997-18-2
???:
2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine
???(??):
2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine;Pyrazine, 2-(tetrahydro-2-furanyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
CBNumber:
CB614363953
???:
C14H21BN2O3
??? ??:
276.14
MOL ??:
2222997-18-2.mol

2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine ??

?? ?
401.9±45.0 °C(predicted)
??
1.13±0.1 g/cm3(Temp: 20 °C; Press: 760 Torr)(predicted)
?? ?? (pKa)
0.50±0.10(predicted)

??

2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine C??? ??, ??, ??

2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine ?? ?? ? ???

???

?? ??


2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine ?? ??

???( 1)?? ??
??? ?? ??? ?? ?? ? ??
Combiphos (Shanghai) Biological Technology Co., Ltd. 021-65232103 17602124823
combiphos@vip.qq.com China 30000 58

Copyright 2019 ? ChemicalBook. All rights reserved
宝坻区| 修文县| 镇宁| 甘泉县| 和林格尔县| 岫岩| 云和县| 遂川县| 永顺县| 翁牛特旗| 远安县| 贡嘎县| 蓬安县| 淅川县| 昆山市| 视频| 报价| 平塘县| 茌平县| 汾西县| 漠河县| 烟台市| 河北省| 于都县| 沅江市| 西安市| 留坝县| 双牌县| 徐闻县| 溆浦县| 柘城县| 马鞍山市| 肇州县| 刚察县| 措勤县| 玉林市| 兴隆县| 稷山县| 恩平市| 深水埗区| 乌什县|