偷拍与自偷拍亚洲精品一_欧美华人激情视频免费在线_97精品人妻无码专区在线视频区_天堂成人一区二区视频在线观看

Product name：ranitidine hydrochloride

CAS NO.: 71130-06-8

Molecular formula：C₁₃H₂₂N₄O₃S·HCl

Molecular weight：350.86

Structural formula：

Physical and chemical properties: Appearance: off-white or light yellow crystalline powder;

Uses: can reduce gastric acid secretion and promote ulcer healing.

Packing：25KGdrum