2-(p-(Trimethylsilyl)phenyl)hydracrylic acid 2-(diethylamino)ethyl ester hydrochloride 20556-53-0 DL-beta-N,N-Diethylaminoethyl alpha-p-trimethylsilylphenyl-beta-hydroxypropionate HCl Hydracrylic acid, 2-(p-(trimethylsilyl)phenyl)-, 2-(diethylamino)ethyl ester, hydrochloride