RESIDUE 9PO 12 CONECT C4 3 C5 C3 H4 CONECT C5 3 C4 C6 H5 CONECT C1 3 N2 C6 H1 CONECT N2 3 C1 O8 C3 CONECT O8 1 N2 CONECT C3 3 C4 N2 H3 CONECT C6 3 C5 C1 H6 CONECT H4 1 C4 CONECT H5 1 C5 CONECT H3 1 C3 CONECT H6 1 C6 CONECT H1 1 C1 END HET 9PO 12 HETNAM 9PO PYRIDINE-N-OXIDE FORMUL 9PO C5 H5 N1 O1