(2,4,6,8-tetramethylcyclotetrasiloxane-2,4,6,8-tetrayl)tetrakis(propane-1,3-diyl) tetraacrylate

Tetrakis(propenoic acid)(2,4,6,8-tetramethylcyclooctanetetrasiloxane-2,4,6,8-tetryl)tetrakis(3,1-propanediyl) ester