RESIDUE 2YU 16 CONECT S1 1 C1 CONECT C1 3 S1 C2 N1 CONECT C2 3 C1 C3 H1 CONECT C3 3 C2 C6 C4 CONECT C6 4 C3 H2 H3 H4 CONECT C4 3 C3 C5 H5 CONECT C5 3 C4 N1 H6 CONECT N1 3 C1 C5 O1 CONECT O1 2 N1 H7 CONECT H1 1 C2 CONECT H2 1 C6 CONECT H3 1 C6 CONECT H4 1 C6 CONECT H5 1 C4 CONECT H6 1 C5 CONECT H7 1 O1 END HET 2YU 16 HETNAM 2YU 1-hydroxy-4-methylpyridine-2(1H)-thione FORMUL 2YU C6 H7 N1 O1 S1