99久久国产精品一区二区三区,亚洲av无码免费在线观看,一级a爱做片在线观看免,最新在线日韩欧美中文字幕,亲胸揉屁股膜下刺激视频免费网站

English name: (S)Ropivacaine Hy drochloride

Molecular formula: C17H26N2O·HCL·H2O

Molecular weight: 328.88

CAS: 132112-35-7

Quality standard: USP32

Standard: > 99%

Appearance: White or quasi-white crystalline powder