119-65-3 2-Azanaphthalene 2-Benzazine 21364-46-5 3,4-Benzopyridine AI3-10035 Benzo(c)pyridine CCRIS 5752 EINECS 204-341-8 FEMA No. 2978 ISOQUINOLINE Isochinolin [Czech] Leucoline NSC 3395 beta-Quinoline