4-bromo-2-(4-bromo-phenyl)-5-methyl-1,2-dihydro-pyrazol-3-one 、
(E)-5,5'-dimethyl-2,2'-diphenyl-2H,2'H-[4,4']bipyrazolylidene-3,3'-dione 生成 2'-(4-bromo-phenyl)-5',5'',5'''-trimethyl-2'',2'''-diphenyl-2'
H,2''
H,2'''
H-trispiro[cyclopropane-1,4';2,4'';3,4'''-tripyrazole]-3',3'',3'''