5-Azacytidine

5-氮胞苷

5-Amino-2-methylpyridine

5-氨基-2-甲基吡啶

Azathioprine

硫唑嘌呤

5-Amino-2,4-dichloroanisole

5-氨基-2,4-二氯苯甲醚

5-Allyl-3-methoxysalicylaldehyde

5-烯丙基-3-甲氧基水杨醛

4-(Aminomethyl)cyclohexanecarboxylic Acid (cis- and trans- mixture)

4-(氨甲基)环己甲酸 (顺反混合物)

4-Amino-6-chloropyrimidine

4-氨基-6-氯嘧啶

4-Amino-2-chloro-6,7-dimethoxyquinazoline

4-氨基-2-氯-6,7-二甲氧基喹唑啉

4-Amino-3-fluorobenzoic Acid

4-氨基-3-氟苯甲酸

(4-Acetylphenoxy)acetic Acid

(4-乙酰苯氧基)乙酸