3-Methyl-5-trifluoromethyl-isoxazole-4-carboxylic acid

2-溴-4-氰基噻唑, 2-Bromo-4-cyanothiazole

2-氨基-6-溴吡啶并[2,3-d]嘧啶-4(3H)-酮, 2-Amino-6-bromopyrido[2,3-d]pyrimidin-4(3H)-one

2-(phenylmethoxy)-4-pyrimidinamine

2-氟-5-羟基苯甲醛, 2-Fluoro-5-hydroxybenzaldehyde

6-Bromo-4-chloro-2-methylquinazoline

6-溴-4-氯-2-甲基喹唑啉

(5-Bromopyrimidin-2-yl)acetic acid

2-氨基-N-甲基苯磺酰胺, 2-Amino-N-methylbenzenesulfonamide

2-Amino-4-bromobenzaldehyde

2-氨基-4-溴苯甲醛

7H-Pyrrolo[2,3-d]pyrimidine

7H-吡咯并[2,3-d]嘧啶

2-碘-6-氯嘌呤;6-氯-2-碘嘌呤, 6-Chloro-2-iodopurine