3483-82-7 AI3-28819 Benzoyltyrosine ethyl ester EINECS 222-469-2 Ethyl N-benzoyl-L-tyrosinate Ethyl benzoyltyrosinate L-Tyrosine, N-benzoyl-, ethyl ester N-Benzoyl-L-tyrosine ethyl ester NSC 75895 Tyrosine, N-benzoyl-, ethyl ester, L- (8CI)