英文别名
8ξ-oxo-4,7,8ξ-triphenyl-4,7-dihydro-8λ5-4,7-epiphosphano-isobenzofuran-1,3-dione;1,4,7-Triphenyl-7-phospha-Δ2,5-bicyclo<2.2.1>heptadien-2,3-dicarbonsaeure-P-oxid;10-Oxo-1,7,10-triphenyl-4-oxa-10lambda5-phosphatricyclo[5.2.1.02,6]deca-2(6),8-diene-3,5-dione;10-oxo-1,7,10-triphenyl-4-oxa-10λ5-phosphatricyclo[5.2.1.02,6]deca-2(6),8-diene-3,5-dione