1,2-Diacetylethane 110-13-4 2,5-Diketohexane 2,5-HEXANEDIONE 2,5-Hexadione 2,5-Hexandione 4-01-00-03688 (Beilstein Handbook Reference) AI3-02399 Acetone, acetonyl- Acetonyl acetone Acetonylacetone BRN 0506525 CCRIS 2919 Diacetonyl EINECS 203-738-3 HDO NSC 7621 alpha,beta-Diacetylethane