2,4,6-TRIMETHYL-2,4,6-TRIPHENYLCYCLOTRISILOXANE 3424-57-5 Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-, (Z)- cis-2,4,6-Trimethyl-2,4,6-triphenylcyclotrisiloxane