RESIDUE 2HQ 16 CONECT OAL 1 CAI CONECT CAI 3 OAL CAE CAJ CONECT CAE 3 CAI CAF CAD CONECT CAF 3 CAE CAA H1 CONECT CAA 3 CAF CLA CAB CONECT CLA 1 CAA CONECT CAB 3 CAA CAC H2 CONECT CAC 3 CAB CAD H3 CONECT CAD 3 CAE CAC NAH CONECT NAH 3 CAD CAJ H4 CONECT CAJ 3 CAI NAH OAK CONECT OAK 1 CAJ CONECT H1 1 CAF CONECT H2 1 CAB CONECT H3 1 CAC CONECT H4 1 NAH END HET 2HQ 16 HETNAM 2HQ 5-chloro-1H-indole-2,3-dione FORMUL 2HQ C8 H4 Cl1 N1 O2