5-Amino-3-cyan-1,4-di-p-toluolsulfonyl-pyrazol;5-Amino-1,4-bis-
-3-cyan-pyrazol;5-amino-1,4-bis-(toluene-4-sulfonyl)-1H-pyrazole-3-carbonitrile;5-Amino-1,4-bis-(4-methylphenyl)sulfonylpyrazole-3-carbonitrile;5-amino-1,4-bis-(4-methylphenyl)sulfonylpyrazole-3-carbonitrile