Synthesis and Antimicrobial Activity of 3-Cyano-4-imino-9-methoxy-4H-pyrimido [2,1-b] pyrimido [4,5-b] quinoline and 2-Substituted Derivatives

Synthesis and Antimicrobial Activity of 3-Cyano-4-imino-9-methoxy-4H-pyrimido [2,1-b] pyrimido [4,5-b] quinoline and 2-Substituted Derivatives