(1R,5S)-6,6-Dimethyl-3-oxabicyclo(3.1.0)hexane-2,4-dione67911-21-131 % similar Dimethyl 1,4-cyclohexanedicarboxylate94-60-031 % similar Lactic anhydride97-73-431 % similar 3a,4,7,7a-Tetrahydro-2-hydroxy-4,7-methano-1H-isoindole-1,3(2H)-dione21715-90-230 % similar Methyl (2R)-2-oxiranecarboxylate111058-32-330 % similar