Silane, trimethyl(2-phenylethenyl)-

dimethyl 2,2,3,3-tetramethylbutanedioate

methyl 2,2-dimethyl-4-trimethylsilylbutanoate

methyl 2,2-dimethyl-6-(trimethylsilyl)hex-4-enoate

methyl 2,2-dimethyl-4,6-bis(trimethylsilyl)hexanoate