2 4 6 8-tetramethyl-2 4 6 8-tetravinylcyclotetrasiloxane July 8, 2019 16 32 64 128 2 4 6 8 tetramethyl 2 4 6 8 tetravinylcyclotetrasiloxane 2 2 6 6-tetramethyloctane 2 4 6 8-tetravinyl-2 4 6 8-tetramethylcyclotetrasiloxane 2 4 4 6-tetrabromo-2 5-cyclohexadienone
