Intuïtie schade Sitcom five membered carbon ring duisternis Literatuur nogmaals
Furan is a heterocyclic organic compound, consisting of a five-membered aromatic ring with four carbon atoms and one oxygen Stock Photo - Alamy
Oxane - an overview | ScienceDirect Topics
Exhaustive exploration of the conformational landscape of mono- and disubstituted five-membered rings by DFT and MP2 calculations - RSC Advances (RSC Publishing) DOI:10.1039/C9RA03524A
Conjugated system - Wikipedia
Heterocyclic Chemistry
Stabilization of anti-aromatic and strained five-membered rings with a transition metal | Nature Chemistry
Heterocyclic compound - Five- and six-membered rings with two or more heteroatoms | Britannica