大观霉素二盐酸盐五水合物, Spectinomycin dihydrochloride pentahydrate

2-(2-氨基噻唑-4-基)-2-甲氧基亚胺基乙酸乙酯, Ethyl 2-amino-α-(methoxyimino)-4-thiazoleacetate

2,4-Dimethylquinoline-3-carboxylic acid

2,4-二甲基喹啉-3-甲酸

(3S)-4-Boc-1-羧甲基-3-苄基-哌嗪-2-酮, (3S)-4-Boc-1-carboxymethyl-3-benzyl-piperazin-2-one

2-Methylphenethylamine

2-甲基苯乙胺

2-Amino-5-nitrobenzotrifluoride

2-氨基-5-硝基三氟甲苯

2-Keto-D-gluconic acid hemicalcium salt monohydrate

2-酮-D-葡萄糖酸半钙盐单水合物

Cyclooctanone

环辛酮

2-Amino-6-methyl-5-nitropyridine

2-氨基-6-甲基-5-硝基吡啶

2,4-Difluorophenylacetic Acid

2,4-二氟苯乙酸