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

5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-1,2,3,7-tetrahydro-4H-pyrano[2,3-d]pyrimidin-4-one

5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-1,2,3,7-tetrahydro-4H-pyrano[2,3-d]pyrimidin-4-one ??? ???
?? ??:
110465-37-7
???:
5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-1,2,3,7-tetrahydro-4H-pyrano[2,3-d]pyrimidin-4-one
???(??):
5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-1,2,3,7-tetrahydro-4H-pyrano[2,3-d]pyrimidin-4-one;4H-Pyrano[2,3-d]pyrimidin-4-one, 1,2,3,7-tetrahydro-5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-
CBNumber:
CB81925902
???:
C24H24N2O2S
??? ??:
404.52
MOL ??:
110465-37-7.mol

5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-1,2,3,7-tetrahydro-4H-pyrano[2,3-d]pyrimidin-4-one ??

???
190-191 °C
?? ?
546.8±60.0 °C(Predicted)
??
1.28±0.1 g/cm3(Predicted)
?? ?? (pKa)
-0.44±0.60(Predicted)

??

5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-1,2,3,7-tetrahydro-4H-pyrano[2,3-d]pyrimidin-4-one C??? ??, ??, ??

5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-1,2,3,7-tetrahydro-4H-pyrano[2,3-d]pyrimidin-4-one ?? ?? ? ???

???

?? ??


5,7,7-trimethyl-1,3-bis(4-methylphenyl)-2-thioxo-1,2,3,7-tetrahydro-4H-pyrano[2,3-d]pyrimidin-4-one ?? ??

???( 1)?? ??
??? ?? ??? ?? ?? ? ??
Specs --
info@specs.net The Netherlands 6833 70

Copyright 2019 ? ChemicalBook. All rights reserved
平陆县| 大连市| 无极县| 洪雅县| 龙海市| 陆河县| 新建县| 东辽县| 大石桥市| 武义县| 舒城县| 巩义市| 东山县| 新和县| 东阿县| 银川市| 彰化市| 吴江市| 祁连县| 苏尼特左旗| 道真| 乃东县| 什邡市| 兴城市| 顺平县| 新闻| 普格县| 九江市| 大连市| 小金县| 宁蒗| 锡林郭勒盟| 长汀县| 舟曲县| 南靖县| 平顶山市| 旺苍县| 油尖旺区| 苍南县| 榆树市| 苍溪县|