3,8,10-Trioxa-9-silatetradecan-14-oic acid, 4-oxo-7,9,11-triphenyl-, ethyl ester 4,4'-((Phenylsilylene)dioxy)bis(4-phenylbutyric acid) diethyl ester 85905-70-0 BRN 5674469 Butyric acid, 4,4'-((phenylsilylene)dioxy)bis(4-phenyl-, diethyl ester