(Trihydroxy-2,4,6 phenyl)-2 hydroxy-2-indandione-1,3 monohydrate [French] 1,3-Indandione, 2-hydroxy-2-(2,4,6-trihydroxyphenyl)-, hydrate 2-Hydroxy-2-(2,4,6-trihydroxyphenyl)-1,3-indandione 62917-87-7