5,5',5''-trimethyl-2,2',2''-triphenyl-1H,1''H-[4,4':4',4''-terpyrazole]-3,3',3''(2H,2'H,2''H)-trione; 5,5''-Dihydroxy-3,3',3''-trimethyl-1,1',1''-triphenyl-[4,4':4',4''-ter-1H-pyrazol]-5'(4'H)-one; 2,4-Dihydro-4,4-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-methyl-2-phenyl-3H-pyrazol-3-one
