1,1-Diphenylacetone781-35-131 % similar Ethyl 2-fluoro-3-oxobutanoate1522-41-430 % similar 3-Methoxybutyl acetate4435-53-430 % similar Ethyl 2-ethylacetoacetate607-97-630 % similar Ethyl 2-chloroacetoacetate609-15-430 % similar Trimethyl orthoformate149-73-530 % similar 2-Acetylcyclopentanone1670-46-830 % similar