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

1-??-3-???-2-?????

1-??-3-???-2-?????
1-??-3-???-2-????? ??? ???
?? ??:
50586-05-5
???:
1-??-3-???-2-?????
???(??):
1-??-3-???-2-?????
???:
1-Methyl-3-Methylene-2-Pyrrolidinone
???(??):
1-Methyl-3-Methylene-2-Pyrrolidinone;2-Pyrrolidinone, 1-methyl-3-methylene-;1-methyl-3-methylidenepyrrolidin-2-one
CBNumber:
CB32613195
???:
C6H9NO
??? ??:
111.14
MOL ??:
50586-05-5.mol

1-??-3-???-2-????? ??

?? ?
239.4±10.0 °C(Predicted)
??
1.02±0.1 g/cm3(Predicted)
?? ?? (pKa)
-0.88±0.20(Predicted)

??

1-??-3-???-2-????? C??? ??, ??, ??

1-??-3-???-2-????? ?? ?? ? ???

???

2-?????,3-(??????)-1-??-(9CI) N-??-2-????? ????

?? ??

1-??-3-???-2-????? ?? ??

???( 2)?? ??
??? ?? ??? ?? ?? ? ??
Shanghai Boyners Pharm-Tech Co., Ltd. 13817873692
 mkt@boynerspharm.com China 1710 55
Beijing Hechemist Technology CO.,LTD 18511709189
 sales@hechemist.com China 3435 58
Copyright 2019 ? ChemicalBook. All rights reserved