91麻豆精品国产综合久久久,人人玩人人添人人澡超碰,五月婷婷六月激情综合,国产一级二级三级久久

Salt-free from 2 mM HCI

>=95% by SDS-PAGE 

~ 21,000-23,000

Shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests

> 1 year 

<= -20° C

該產(chǎn)品描述，查看產(chǎn)品英文說明書，更多歡迎在線咨詢我們