139482-52-3 3,5-Dihydro-3-(3-hydroxypropyl)-5-phenyl-4H-imidazo(4,5-c)(1,8)naphthyridin-4-one 4H-Imidazo(4,5-c)(1,8)naphthyridin-4-one, 3,5-dihydro-3-(3-hydroxypropyl)-5-phenyl-