1-(3-nitrophenyl)-5-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid

3-(ethoxycarbonyl)-5-methyl-1-(4-methylphenyl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid

1-(2-chloro-4-nitrophenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

3-(ethoxycarbonyl)-1-(2-methoxyphenyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

1-(3-chloro-4-methoxyphenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

1-(3-chloro-4-methylphenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

1-(3-chlorophenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1H-pyrazole-5-carboxylic acid

4-(2-chlorobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid

4-(2-methylbenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid

4-(3,4,5-trimethoxybenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid

4-[3-(trifluoromethyl)benzoyl]-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid