4-amino-N-(3-bromobenzyl)-5-cyano-6-ethoxypyridine-2-carboxamide
4-{[(4-Amino-5-cyano-6-ethoxy-pyridine-2-carbonyl)-amino]-methyl}-benzoic acid
4-amino-N-(4-aminobenzyl)-5-cyano-6-ethoxypyridine-2-carboxamide
4-amino-5-cyano-N-(2,4-dimethylbenzyl)-6-ethoxypyridine-2-carboxamide
4-amino-N-(2-bromobenzyl)-5-cyano-6-ethoxypyridine-2-carboxamide