RESIDUE W3M 10 CONECT N1 3 C1 C2 H1 CONECT N 1 C CONECT C 2 N C1 CONECT C1 3 N1 C C3 CONECT C3 3 C1 N2 H2 CONECT N2 2 C3 C2 CONECT C2 3 N1 N2 H4 CONECT H1 1 N1 CONECT H2 1 C3 CONECT H4 1 C2 END HET W3M 10 HETNAM W3M 1H-imidazole-5-carbonitrile FORMUL W3M C4 H3 N3