综合成人亚洲偷自拍色,一个人看的免费高清www视频,伊人色综合一区二区三区,在线播放五十路熟妇,伊人激情av一区二区三区

  Procurement Request
Home >  Compound Synonyms > Benzamide,N,N'-[1,4-phenylenebis(methylene)]bis[3,4,5-trihydroxy
Check Encyclopedia

3,4,5-trihydroxy-N-[[4-[[(3,4,5-trihydroxybenzoyl)amino]methyl]phenyl]methyl]benzamide

CAS No. : 653579-51-2 Formula : C22H20N2O8 Molecular Weight. : 440.403 Check Encyclopedia
Recommended Supplier Purity Lead Time Packing Price View

Hangzhou J&H Chemical Co., Ltd.

≥97%

14Day (s)

1kg

Request For Qutation