RESIDUE WTQ 13 CONECT C02 3 C03 N08 O01 CONECT C03 3 C02 C04 H031 CONECT C04 3 C03 C05 H041 CONECT C05 3 C04 C06 H051 CONECT C06 3 C05 N08 O07 CONECT N08 2 C02 C06 CONECT O01 2 C02 H011 CONECT O07 2 C06 H071 CONECT H031 1 C03 CONECT H041 1 C04 CONECT H051 1 C05 CONECT H011 1 O01 CONECT H071 1 O07 END HET WTQ 13 HETNAM WTQ pyridine-2,6-diol FORMUL WTQ C5 H5 N O2