欧美性猛片aaaaaaa,男男浴室play18肉车r,国产max323

Canada Phthalic Anhydride Suppliers, Canada Phthalic Anhydride Manufacturers.

ChemNet | Sign in | Join Now

Details for Phthalic Anhydride

Phthalic Anhydride

Category:

CAS NO:

EC NO:

201-607-5

Molecular Formula:

C₈H₄O₃

Molecular Weight:

148.12

Specification:

InChI:

InChI=1/C16H10O7/c17-13(18)9-5-1-3-7-11(9)15(21)23-16(22)12-8-4-2-6-10(12)14(19)20/h1-8H,(H,17,18)(H,19,20)

Synonyms:

2,5-Isobenzofurandione;2-benzofuran-1,3-dione;2,2'-(oxydicarbonyl)dibenzoic acid;o-Phthalic anhydride;

Molecular Structure:

if you are sourcing Phthalic Anhydride from Canada ,just feel free to inquire

潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图