trimethylsilyl 3-methyl-2-trimethylsilyloxybut-2-enoate;trimethylsilyl 3-methyl-2-trimethylsilyloxy-but-2-enoate;3-methyl-2-trimethylsilyloxybut-2-enoic acid trimethylsilyl ester;3-methyl-2-trimethylsilyloxy-but-2-enoic acid trimethylsilyl ester;.alpha. Keto isovaleric acid enol di-TMS;2-Butenoic acid, 3-methyl-2-[(trimethylsilyl)oxy]-, trimethylsilyl ester;Butanoic acid, 3-methyl-2-oxo-, bis(trimethylsilyl) deriv.
trimethylsilyl 3-methyl-2-trimethylsilyloxybut-2-enoate