2',7'-Dihydro-3'beta,7'alpha-dihydroxy-2'alpha-(hydroxymethyl)-2',4',7'-trimethylspiro(cyclopropane-1,5'-(5H)inden)-6'(3H)-one 3779-56-4 Spiro(cyclopropane-1,5'-(5H)inden)-6'(3H)-one, 2',7'-dihydro-3'beta,7'alpha-dihydroxy-2'alpha-(hydroxymethyl)-2',4',7'-trimethyl-