Synonyms: Spiro[cyclopropane-1,5'-[5H]indene]-2'-methanol,2',3',6',7'-tetrahydro-3'a,6'b,7'a-trihydroxy-2'a,4',6'-trimethyl- (8CI);Spiro[cyclopropane-1,5'-[5H]indene]-3',6',7'-triol,2',3',6',7'-tetrahydro-2'-(hydroxymethyl)-2',4',6'-trimethyl-, [2'S-(2'a,3'b,6'a,7'b)]-; Dihydroilludin S; Illudin S,dihydro-; NSC 233902