2,5-CYCLOHEXADIENE-1,4-DIONE, 2-METHYL-5-(1-METHYLETHYL)- 2,5-Cyclohexadiene-1,4-dione, 5-isopropyl-2-methyl- 2-Isopropyl-5-methyl-p-benzoquinone 4-07-00-02100 (Beilstein Handbook Reference) 490-91-5 AI3-17758 BRN 1939047 CCRIS 7152 EINECS 207-721-1 NSC 2228 Thymoquinon Thymoquinone p-Cymene-2,5-dione p-Mentha-3,6-diene-2,5-dione (8CI)