1-(Chloromethyl)-3-((5-methoxy-1H-indol-2-yl)carbonyl)-2,3-dihydro-1H-benzo[e]indol-5-amine 1-(Chloromethyl)-3-((5-methoxy-1H-indol-2-yl)carbonyl)-2,3-dihydro-1H-benzo[e]indol-5-ylamine AIDS-151813 AIDS151813 NSC693541