Sigma-Aldrich
4-Chloro-3-formylcoumarin
4-氯-3-甲酰基香豆素
4-Ethyl-3-nitrobenzaldehyde
4-乙基-3-硝基苯甲醛
4-Fluorobenzoic Acid
对氟苯甲酸
4-Methoxyphenethyl bromide
4-甲氧基苯乙基溴
4-Methyl-3-penten-1-ol
4-甲基-3-戊烯-1-醇
6-tert-Butyl-2,3-naphthalenedicarbonitrile
7-羟基-4-甲基-8-硝基香豆素, 7-Hydroxy-4-methyl-8-nitrocoumarin
8-Bromo-1-octanol
8-溴-1-辛醇
阿达帕林杂质C, Adapalene impurity C
Allyl 2-acetamido-2-deoxy-α- D -glucopyranoside
Amiloride impurity A
3,5-二氨基-6-氯吡嗪-2-羧酸甲酯
5-Ethyl-1-aza-3,7-dioxabicyclo[3.3.0]octane
5-乙基-1-氮杂-3,7-二氧杂双环[3.3.0]辛烷
5-Iodo-1-pentyne
5-碘-1-戊炔
Digoxin 4″′-acetate, β-Acetyldigoxin for peak identification
BBL