Assertion: pyridine | /r/HasProperty | polycyclic compounds
Facets:
Source sentences:
text: These structures include pyridine, polycyclic compounds wherein the pyridine ring is fused to a homocarbocyclic ring such as quinoline, isoquinoline and compounds wherein two pyridine rings are fused together such as the naphthyridines, e.g., 1,5-naphthyridine, 1,6-naphthyr-idine, 1,7-n-aphthyridine, 1,8 naphthyridine, 2,6 naphthyridine, 2,7- naphthyridine, and the like.