综合精品欧美中文,日本二区在线观看,成年美女黄网站色视频免费,精品在线视须免费,中文永久免费观看,91久久精品国产免费直播,免费在线看污视频,色偷偷色噜噜狠狠网站久久,中文字幕免费无码久久99,国产在线观看91精品一区

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