英文别名
4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ5-phosphaspiro<3.3>heptan-2,6-dion;4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ5-phosphaspiro[3.3]heptan-2,6-dion;1,3,5,7-tetramethyl-4-phenyl-1,3,5,7-tetraza-4λ5-phosphaspiro[3.3]heptane-2,6-dione