1H-Inden-1-one, 2,3-dihydro-4-hydroxy-6-(2-hydroxyethyl)-2,2,5,7-tetramethyl- 4-Hydroxy-6-(2-hydroxyethyl)-2,2,5,7-tetramethyl-3-Dihydro-1H-inden-1-one 53823-02-2 Onitin