英文别名
3.4.8.9-Dibenzo-1.6-dioxo-2.7-dioxo-5-phenyl-5-phosphapyro<4.4>nonan;1-Phenyl-1,1'-spirobi<3H-2,1-benzoxaphosphol>-3,3'-dion;1-phenyl-1H-1λ5-[1,1']spirobi(benzo[c][1,2]oxaphosphole)-3,3'-dione;1-Phenyl-1,1'-spirobi[2,1lambda5-benzoxaphosphole]-3,3'-dione;1-phenyl-1,1'-spirobi[2,1λ5-benzoxaphosphole]-3,3'-dione