112953-13-6 2',3'-Dihydro-6'-hydroxy-2'-(hydroxymethyl)-2',4',6'-trimethylspiro(cyclopropane-1,5'-(5H)inden)-7'(6'H)-one (2'S-cis)- 6-Deoxyilludin S Spiro(cyclopropane-1,5'-(5H)inden)-7'(6'H)-one, 2',3'-dihydro-6'-hydroxy-2'-(hydroxymethyl)-2',4',6'-trimethyl-, (2'S-cis)-