p. 4583 - 4591
(2007/10/03)2-nitro-5-piperazin-1-ylbenzoic acid
5-chloro-2-nitrobenzoic acid
glycine ethyl ester hydrochloride
5-(4-(tert-butoxycarbonyl)piperazin-1-yl)-2-nitrobenzoic acid
4-(3-Ethoxycarbonylmethyl-4-oxo-3,4-dihydro-quinazolin-6-yl)-piperazine-1-carboxylic acid tert-butyl ester
4-(3-Carboxymethyl-4-oxo-3,4-dihydro-quinazolin-6-yl)-piperazine-1-carboxylic acid tert-butyl ester
4-[4-Amino-3-(ethoxycarbonylmethyl-carbamoyl)-phenyl]-piperazine-1-carboxylic acid tert-butyl ester