1: 2-amino-5-pyridine carboxylic acid With oxalyl dichloride; N,N-dimethyl-formamide in dichloromethane T=20°C; 1.5 h; 2: morpholine With pyridine in dichloromethane T=0 - 20°C; 3: With ethylenediamine in ethanol; dichloromethane 0.5 h; Reflux;