天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

??(????????????)

??(????????????)
??(????????????) ??? ???
?? ??:
53237-50-6
???:
??(????????????)
???(??):
??(????????????)
???:
POLY(VINYLACETATE PHTHALATE)
???(??):
PVAP;VINYLACETATE PHTHALATE;Polyvinyl alcohol,modified;POLY(VINYLACETATE PHTHALATE);VINYL ACETATE PHTHALATE POLYMER;Poly(vinyl acetate phthalate) NF;Polyvinyl alcohol acetate phthalate;Ethenol, homopolymer, acetate 1,2-benzenedicarboxylate
CBNumber:
CB5478503
???:
C12H14O7
??? ??:
270.24
MOL ??:
53237-50-6.mol

??(????????????) ??

??

??(????????????) C??? ??, ??, ??

??(????????????) ?? ?? ? ???

???

?? ??


??(????????????) ?? ??

???( 5)?? ??
??? ?? ??? ?? ?? ? ??
JinJin Le Chemical Co., Ltd 10106090
jjlchem2@163.com China 9981 58
Hubei Shishun Biotechnology Co. Ltd 027-59223025 15107168801
1718480011@qq.com China 9847 58

Copyright 2019 ? ChemicalBook. All rights reserved