1,2,3-Indantrione monohydrate 1,2,3-Indantrione, 2-hydrate 1,3-Indandione, 2,2-dihydroxy- 1H-Indene-1,3(2H)-dione, 2,2-dihydroxy- 2,2-Dihydroxy-1,3-indandione 2,2-Dihydroxy-1H-indene-1,3(2H)-dione 4-07-00-02786 (Beilstein Handbook Reference) 485-47-2 AI3-04464 BRN 1910963 CCRIS 4849 EINECS 207-618-1 Indan-1,2,3-trione NINHYDRIN Ninhydrin hydrate Triketohydrindene hydrate