(-)-6-(2-(Benzoyloxy)ethyl)-2,3-dihydro-2,5,7-trimethyl-1H-inden-1-one 1H-Inden-1-one, 6-(2-(benzoyloxy)ethyl)-2,3-dihydro-2,5,7-trimethyl-, (-)- 39815-61-7 Pterosin B benzoate