91艹逼视频/中文字幕欧美一区二区/精品一区av/免费成人小视频 - 日韩精品一区二区亚洲

EN
氟苯尼考中間體
NumberNameStructural
CASQuality standard
1

(2R,3S)-ethyl-2-amino-3-hydroxy-3-(4-(methylsulfonyl)phenyl)propanoate

light yellow to white solid
purity≥98%
chiral purity≥99%

關閉