Pyrazine-2,5-dicarboxylic acid

吡嗪-2,5-二羧酸

Boc-L-4-flourophenylalanine

Boc-L-4-氟苯丙氨酸

4-Methoxybenzenediazonium Tetrafluoroborate

4-甲氧基苯重氮四氟硼酸盐

4-Dimethylaminobenzoyl chloride

4-二甲氨基苯甲酰氯

女贞苷, Ligustroflavone

2-氟-4-甲硫基苯胺, 2-Fluoro-4-(methylthio)benzenamine

4-(p-Tolyl)butyric Acid

4-对甲苯基丁酸

4-(3,4-Dichlorobenzyl)piperidine hydrochloride

4-(3,4-二氯苄基)哌啶盐酸盐

3-Mercapto-1-hexanol

3-巯基-1-己醇

2,3-二氯-4-羟基吡啶, 2,3-dichloropyridin-4-ol