28097-03-2 AIDS-187899 AIDS187899 Chaetocin Chetocin [10b,10'b(11H,11'H)-Bi-3,11a-epidithio-11aH-pyrazino[1',2':1,5]pyrrolo[2,3-b]indole]-1,1',4,4'-tetrone, 2,2',3,3',5a,5'a,6,6'-octahydro-3,3'-bis(hydroxymethyl)-2,2'-dimethyl-, (3S,3'S,5aR,5'aR,10bR,10'bR,11aS,11'aS)-