3-Hydroxy-3-phenylpropionic acid ethyl ester 5764-85-2 86286-51-3 AI3-06216 Benzenepropanoic acid, beta-hydroxy-, ethyl ester EINECS 227-288-2 Ethyl 3-hydroxy-3-phenylpropanoate Ethyl 3-hydroxy-3-phenylpropionate Hydracrylic acid, 3-phenyl-, ethyl ester NSC 226071