indene-1,3-dione indane-1,3-dione indane-1,3-quinone 606-23-5 823271-74-5 1,3-Indanone 4-07-00-02344 (Beilstein Handbook Reference) BRN 1210061 NSC26329 Indan-1,3-dione NSC 26329 NSC 6312 45790_RIEDEL I2002_ALDRICH STK202114 AIDS-017987 AIDS017987 EINECS 210-109-7 1,3-Diketohydrindene 1,3-Indandione 1H-Indene-1,3(2H)-dione NSC6312 INDANEDIONE-1,3 1,3-Dioxoindan InChI=1/C9H6O2/c10-8-5-9(11)7-4-2-1-3-6(7)8/h1-4H,5H 1,3-Indandion