1-Methyl-3,3,5,5-tetrakis(1-methylpropoxy)-1-(tris(1-methylpropoxy)siloxy)cyclotrisiloxane 70969-53-8 Cyclotrisiloxane, 2-methyl-4,4,6,6-tetrakis(1-methylpropoxy)-2-((tris(1-methylpropoxy)silyl)oxy)-