Phosphoric acid,sulfonyldi-4,1-phenylene tetramethyl ester (9CI)
CAS No. 19875-85-5
Phosphoric acid,sulfonyldi-p-phenylene tetramethyl ester (8CI); Phenol, 4,4'-sulfonyldi-,bis(dimethyl phosphate); CL 52155
Al.Cl.Cu 143499-01-8
Ins-P-ins 143491-08-1