DL-Phenylalanine, 4-methoxy-3-(2-(1-pyrrolidinyl)ethoxy)-, ethyl ester, (Z)-2-butenedioate DL-Tyrosine, O-methyl-3-(2-(1-pyrrolidinyl)ethoxy)-, ethyl ester, (Z)-2-butenedioate (1:2)(1:2) Ester ethylique de la methoxy-4 pyrrolidinoethoxy-3 DL-phenylalanine dimaleate [French] SLB-881 YP2900675