英文别名
8,8-diphenyl-2H,6H,1,2-oxaphospholo(4,3,2-hi)(1,2)benzoxaphosphole-2,6-dione;4,4-Diphenyl-3,5-dioxa-4lambda5-phosphatricyclo[5.3.1.04,11]undeca-1(11),7,9-triene-2,6-dione;4,4-diphenyl-3,5-dioxa-4λ5-phosphatricyclo[5.3.1.04,11]undeca-1(11),7,9-triene-2,6-dione