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-(tert-Butyl) 7-ethyl 5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylate

2-(tert-Butyl) 7-ethyl 5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylate ??? ???
?? ??:
2930013-86-6
???:
2-(tert-Butyl) 7-ethyl 5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylate
???(??):
2-(tert-Butyl) 7-ethyl 5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylate;5-Oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylic acid, 2-(1,1-dimethylethyl) 7-ethyl ester
CBNumber:
CB213761437
???:
C13H20N2O5
??? ??:
284.31
MOL ??:
2930013-86-6.mol

2-(tert-Butyl) 7-ethyl 5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylate ??

?? ?
370.299±52.00 °C(Press: 760.00 Torr)(predicted)
??
1.282±0.14 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
?? ?? (pKa)
0.112±0.40(predicted)

??

2-(tert-Butyl) 7-ethyl 5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylate C??? ??, ??, ??

2-(tert-Butyl) 7-ethyl 5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylate ?? ?? ? ???

???

?? ??


2-(tert-Butyl) 7-ethyl 5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2,7-dicarboxylate ?? ??

???( 3)?? ??
??? ?? ??? ?? ?? ? ??
Shanghai Haohong Pharmaceutical Co., Ltd. 400-8210725 4008210725
malulu@leyan.com China 39988 58
Shaanxi Gulliver Biotechnology Research Co., Ltd 13892423764
3961484990@qq.com China 2900 58
Henan Inokai New Materials Co., Ltd 15090072163
3921118937@qq.com China 2481 58

Copyright 2019 ? ChemicalBook. All rights reserved
封开县| 枣强县| 鄂温| 宜良县| 闻喜县| 乌兰察布市| 丰都县| 阳原县| 阿图什市| 手机| 潼关县| 报价| 曲靖市| 商丘市| 始兴县| 泰兴市| 棋牌| 陆丰市| 瑞丽市| 界首市| 武定县| 牙克石市| 阳城县| 政和县| 富阳市| 体育| 正定县| 渭源县| 兴化市| 囊谦县| 滦平县| 上饶市| 法库县| 马关县| 白河县| 察哈| 绥宁县| 克东县| 赤壁市| 江西省| 通渭县|