(R)-2,3-Dihydro-3-hydroxy-6-(2-hydroxyethyl)-2,2,5,7-tetramethyl-1H-inden-1-one 1H-Inden-1-one, 2,3-dihydro-3-hydroxy-6-(2-hydroxyethyl)-2,2,5,7-tetramethyl-, (R)- 34169-70-5