5-(3,4-Dimethyl-5-isoxazolyl)-2-furansulfonyl chloride

5-amino-3-methyl-4-isoxazolecarboxamide

4-formyl-1,5-dimethyl-1H-pyrrole-2-carbonitrile

5,6-dihydroimidazo[2,1-b][1,3]thiazole-3-carboxylic acid

4-aminopyrazolo[5,1-c][1,2,4]triazine-3-carbonitrile

1H-pyrazole-4,5-diamine

5-Ethyl-1H-pyrrole-2-carbaldehyde

4,5-dimethyl-1,3-oxazol-2(3H)-one

2,4-Dimethyl-6-oxo-1,6-dihydro-3-pyridinecarboxylic acid

5-Fluoro-6-methoxy-2(1H)-pyrimidinone

4-羟基-5-嘧啶乙酸乙酯, ethyl (6-oxo-1,6-dihydro-5-pyrimidinyl)acetate

1-Propyl-3-pyrrolidinamine

1-methyl-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylic acid

5-Bromo-3-chloro-1H-1,2,4-triazole

(1S*,5R*,6S*,7R*)-3-methyl-4-oxo-10-oxa-3-azatricyclo[5.2.1.0~1,5~]dec-8-ene-6-carboxylic acid