RESIDUE 12B 20 CONECT CAA 3 CAB CAD CAC CONECT CAB 3 CAA CAF NAE CONECT CAF 3 CAB CAK HAF CONECT CAK 3 CAF CAJ HAK CONECT CAJ 3 CAK CAD HAJ CONECT CAD 3 CAA CAJ CAI CONECT CAI 3 CAD CAM HAI CONECT CAM 3 CAI CAH HAM CONECT CAH 3 CAM CAC HAH CONECT CAC 3 CAA CAH CAG CONECT CAG 3 CAC OAL NAE CONECT OAL 1 CAG CONECT NAE 3 CAB CAG HAE CONECT HAF 1 CAF CONECT HAK 1 CAK CONECT HAJ 1 CAJ CONECT HAI 1 CAI CONECT HAM 1 CAM CONECT HAH 1 CAH CONECT HAE 1 NAE END HET 12B 20 HETNAM 12B BENZO[CD]INDOL-2(1H)-ONE FORMUL 12B C11 H7 N1 O1