ethyl oxo[(2-oxotetrahydro-3-thienyl)amino]acetate

ethyl oxo{[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]amino}acetate

4-iodo-1-methyl-3-nitro-1H-pyrazole

1-ethyl-2-hydrazino-5,7-dimethylpyrido[2,3-d]pyrimidin-4(1H)-one

[2-methyl-3-(5-methyl-1H-pyrazol-1-yl)propyl]amine

2-ethyl-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

[2-(4-chloro-1H-pyrazol-1-yl)butyl]amine

ethyl 4-(5-methyl-3-nitro-1H-pyrazol-1-yl)butanoate

methyl 1-ethyl-4-nitro-1H-pyrazole-3-carboxylate

ethyl 7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-6-carboxylate