formaldehyd
3-methyl-1-phenylpyrazolin-5(4H)-one
formic acid
diethoxymethyl acetate
3-methyl-1-phenyl-4-formylpyrazol-5-one
5,5'-diacetoxy-3,3'-dimethyl-1,1'-diphenyl-1H,1'H-4,4'-methanediyl-bis-pyrazole
3-methyl-1-phenylpyrazolin-5(4H)-one
5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde oxime
5,5'-dimethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-4,4'-methanediyl-bis-pyrazol-3-one
1-phenyl-3-methyl-4-phenylaminomethylene-5-pyrazolone