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

Package: 25kg/ fiber drum

Uses : Organic synthesis intermediates for the production of beta blockers atenolol and puerarin flavonoids: synthesis of 4, 7-dihydroxyl isoflavones; It can also be used as a pesticide intermediate.

Molecular Structure:

Product description:

　　Synonyms:(4-Hydroxy-phenyl)-acetic acid? 4-Hydroxy-Benzeneacetic acid? CAS number:156-38-7

　　Molecular Formula:C8H8O3

　　Molecular Weight:152.15

　　EINECS number:205-851-3

　　Specifications:AppearanceWhite to almost white crystal

　　Melting point Between 149-153deg.C

　　Loss on drying 0.5% max

　　Assay 99.0% min

　　Hazard:Not dangerous goods