10-(3-Chlorophenyl)-6,8,9,10-tetrahydrobenzo(b)(1,8)-naphthyridine-5(7H)-one 113077-44-4 Benzo(c)(1,8)naphthyridin-6(5H)-one, 5-(3-chlorophenyl)-7,8,9,10-tetrahydro- Sch 40120 Sch-40120