英文别名
1,3-Diphenyl-2,4,6-trioxo-5-triphenylphosphoranyliden-1,3-diaza-cyclohexan;1,3-diphenyl-5-(triphenyl-λ5-phosphanylidene)-pyrimidine-2,4,6-trione;1,3-Diphenyl-5-(triphenyl-lambda5-phosphanylidene)-1,3-diazinane-2,4,6-trione;1,3-diphenyl-5-(triphenyl-λ5-phosphanylidene)-1,3-diazinane-2,4,6-trione