"LACTONESYDTPNSC0071047" . "Chemical Viewed Structurally"^^ . . "Lactone Compound"^^ . . . "C0022947"^^ . "Lactone Compound"^^ . "Cyclic esters of hydroxy carboxylic acids, containing a 1-oxacycloalkan-2-one structure, or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring (IUPAC).NCI" . "LactonesSYNCI" . "C606"^^ . "Lactone_Compound"^^ . "CHEBI:25000"^^ . "Lactone CompoundPTNCI" . "71047"^^ . .