methyl 1'-ethyl-4'-nitro-1'H-1,3'-bipyrazole-3-carboxylate

1-isopropyl-5-methyl-1H-imidazole

[3-(tert-butoxycarbonyl)-1H-pyrazol-1-yl]acetic acid

5-hydrazino-3-methyl-1-propyl-1H-pyrazole

(6-cyclopropyl-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridin-4-yl)methanol

1-isopropyl-3-(methoxymethyl)-1H-pyrazole-4-sulfonyl chloride

1-isobutyl-3-(methoxymethyl)-1H-pyrazole-4-sulfonyl chloride

3-(ethoxymethyl)-1-propyl-1H-pyrazole-4-sulfonyl chloride

1-cyclopentyl-3-(ethoxymethyl)-1H-pyrazole-4-sulfonyl chloride

1-isobutyl-3-(propoxymethyl)-1H-pyrazole-4-sulfonyl chloride

1-sec-butyl-3-(propoxymethyl)-1H-pyrazole-4-sulfonyl chloride