英文别名
2-[Bis-(trifluormethyl)-methylen]-4-triphenyl-phosphoranyliden-cyclobutandion-(1,3);2-(1,1,1,3,3,3-Hexafluoropropan-2-ylidene)-4-(triphenyl-lambda5-phosphanylidene)cyclobutane-1,3-dione;2-(1,1,1,3,3,3-hexafluoropropan-2-ylidene)-4-(triphenyl-λ5-phosphanylidene)cyclobutane-1,3-dione