1-Acetoxy-2-butanone 1-Hydroxy-2-butanone acetate 1575-57-1 2-BUTANONE, 1-HYDROXY-, ACETATE 2-Butanone, 1-(acetyloxy)- (9CI) 2-Oxobutyl acetate 4-02-00-00297 (Beilstein Handbook Reference) BRN 1755049 NSC 84222