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

1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-???????

1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-???????
1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-??????? ??? ???
?? ??:
139655-10-0
???:
1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-???????
???(??):
1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-???????
???:
1,4-Butanediol polymer with 1,3-diisocyanatomethylbenzene,α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl) and α-hydro-ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)]
???(??):
1,4-Butanediol polymer with 1,3-diisocyanatomethylbenzene,α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl) and α-hydro-ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)]
CBNumber:
CB11483593
???:
??? ??:
0
MOL ??:
Mol file

1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-??????? ??

??

???? ?? 2000-3-1393

1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-??????? C??? ??, ??, ??

1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-??????? ?? ?? ? ???

???

?? ??

1,4-????????????,α-???-ω-??????(??-1,3-????)?α-???-ω-??????[??(??-1,4-????)]???1,2-??????? ?? ??

???( 0)?? ??
??? ?? ??? ?? ?? ? ??
Copyright 2019 ? ChemicalBook. All rights reserved