p. 1399 - 1410
(2007/10/02)p-aminoethylbenzoate
4-<3-(3-amino-2,5-dihydro-5-oxo-1,2,4-triazin-6-yl)-2-oxo-1-pyrrolidinyl>benzoic acid
ethyl 4-<3-(2-ethoxy-1-hydroxy-2-oxoethylidene)-2-oxo-1-pyrrolidinyl>benzoate
ethyl <2-oxo-1-pyrrolidinyl>benzoate
ethyl 4-(4-chlorobutyrylamino)benzoate