4-(methylsulfonyl)phenylhydrazine hydrochloride
1-bromo-3,5-di-tert-butylbenzene
methyl 4-[5-(3,5-di-tert-butylphenyl)-1-(4-methylsulfonylphenyl)pyrazol-3-yl]benzoate
4-(2-methoxycarbonyl-acetyl)-benzoic acid methyl ester
methyl 4-[5-hydroxy-1-(4-methylsulfonylphenyl)pyrazol-3-yl]benzoate