[ring compounds having oxygen atoms in their nuclei. ( CSP )]
UMLS (CSP) C0597158 Relation/PAR: Heterocyclic Compound
oxygen compound
Relation/CHD: benzopyran
epoxide
LACTONE
oxazine
pyran
2,3,7,8-Tetrachlorodibenzo[b,e][1,4]dioxin
1,2-(methylenedioxy)benzene
1,4-Epoxy-1,3-butadiene