(1R,5S)-6,6-Dimethyl-3-oxabicyclo(3.1.0)hexane-2,4-dione67911-21-143 % similar 1,2,3,6-Tetrahydrophthalic anhydride85-43-843 % similar Tetrahydrophthalic anhydride935-79-543 % similar Lactic anhydride97-73-443 % similar Tetrahydro-1H-5,9-methanopyrano(3,4-d)oxepine-1,3,6,8(4H)-tetrone6053-46-939 % similar (+)-Diacetyl-L-tartaric anhydride6283-74-539 % similar D-Diacetyltartaric anhydride70728-23-339 % similar 3-Methyltetrahydrophthalic anhydride5333-84-638 % similar Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride122640-83-938 % similar 1,2,3,4-Butanetetracarboxylic dianhydride4534-73-036 % similar 1,1,1-Triethyl methanetricarboxylate6279-86-336 % similar D-Lactide13076-17-035 % similar L-Lactide homopolymer33135-50-135 % similar Lactide4511-42-635 % similar Lactide95-96-535 % similar Methyl (2R)-2-oxiranecarboxylate111058-32-335 % similar Methylnadic anhydride25134-21-834 % similar Rikacid MH19438-60-933 % similar Methyl 2-acetyl-3-oxobutanoate4619-66-333 % similar Chlorendic anhydride115-27-532 % similar