Dehydroacetic acid520-45-6100 % similar Methyl 2-acetyl-3-oxobutanoate4619-66-342 % similar 2,5-Dimethyl-3(2H)furanone14400-67-040 % similar Diethyl acetylmalonate570-08-139 % similar Ethyl diacetylacetate603-69-039 % similar 2-Acetyl-1,3-cyclopentanedione3859-39-032 % similar Methyl 2-chloroacetoacetate4755-81-132 % similar 2-Acetylbutyrolactone517-23-732 % similar 3-Oxabicyclo[3.2.0]hept-6-ene-2,4-dione10374-07-931 % similar Tetrahydrocyclobuta[1,2-c:3,4-c′]difuran-1,3,4,6-tetrone4415-87-630 % similar Ethyl 2-methylacetoacetate609-14-330 % similar