Paal-Knorr synthesis
type: Concept
preferred label: سنتز پال-کنور @fa
related: furans

oxygen-containing organic compounds
type: Concept
preferred label: ترکیبات آلی اکسیژن‌دار @fa
related: furans

furans
type: Concept
broader: heterocyclic compounds
preferred label: فوران‌ها @fa
related: Paal-Knorr synthesis
related: oxygen-containing organic compounds

heterocyclic compounds
type: Concept
narrower: furans
preferred label: ترکیبات ناجورحلقه @fa