34427-31-1 AUSTAMIDE NSC159629 Spiro[2H-indole-2,7'(8'H)-[3H,5H]pyrrolo[1',2':4,5]pyrazino[1,2-a]azepine]-3,5',12'(1H,2'H)-trione, 5'a,6'-dihydro-8',8'-dimethyl-, (5'aS-trans)-