57978-08-2 1,5,9,13-Tetraphosphacyclohexadecane, 1,5,9,13-tetraphenyl-,1,5,9,13-tetraoxide 77393-40-9 1,5,9,13-Tetraoxacyclohexadecane-2,6,10,14-tetrone,3,3,7,7,11,11,15,15-octamethyl- 63375-54-2 1,5,9,13-Tetraazacyclohexadecane-3,3,11,11-tetramethanol,7,7,15,15-tetramethyl- 63426-69-7 1,5,9,13-Tetraazacyclohexadecane-2,4,10,12-tetrone,7,7,15,15-tetrakis(hydroxymethyl)-3,3,11,11-tetramethyl- 21484-50-4 2,2,8,8,10,10,16,16-OCTAMETHYL-1,9-DIOXA-2,8,10,16-TETRASILACYCLOHEXADECANE-5,13-DIONE