反应 2.0h,
生成 5,6,7,8-tetra-p-methoxycarbonylphenyl-5,6,7,8-tetrakis(trifluoromethyl)[4]radialene 、 5,6,7,8-tetra-p-methoxycarbonylphenyl-5,6,7,8-tetrakis(trifluoromethyl)[4]radialene 、
5,6,7,8-tetra-p-methoxycarbonylphenyl-5,6,7,8-tetrakis(trifluoromethyl)[4]radialene 、 5,6,7,8-tetra-p-methoxycarbonylphenyl-5,6,7,8-tetrakis(trifluoromethyl)[4]radialene