英文别名
1-Methyl-1,1'-spirobi<3H-2,1-benzoxaphosphol>-3,3'-dion;1-methyl-1H-1λ5-[1,1']spirobi(benzo[c][1,2]oxaphosphole)-3,3'-dione;1-methyl-1λ5-[1,1']spirobi(benz[c][1,2]oxaphosphole)-3,3'-dione;1-Methyl-1λ5-[1,1']spirobi(benz[c][1,2]oxaphosphol)-3,3'-dion;1-Methyl-1,1'-spirobi[2,1lambda5-benzoxaphosphole]-3,3'-dione;1-methyl-1,1'-spirobi[2,1λ5-benzoxaphosphole]-3,3'-dione