Synonyms: Acutumine(6CI,8CI); (-)-Acutumine;Spiro[3-cyclopentene-1,10'-[3a,7a]propano[1H]indole]-2,5'(4'H)-dione,9'-chloro-2',3'-dihydro-5-hydroxy-4,6',7'-trimethoxy-1'-methyl-, [3'aS-[3'aa,7'aa,9'R*,10'S*(R*)]]-; [3'aS-[3'aa,7'aa,9'R*,10'S*(R*)]]-9'-Chloro-2',3'-dihydro-5-hydroxy-4,6',7'-trimethoxy-1'-methylspiro[3-cyclopentene-1,10'-[3a,7a]propano[1H]indole]-2,5'(4'H)-dione