RESIDUE 2AP 14 CONECT N1 3 C2 C6 HN1 CONECT C2 3 N1 C3 N CONECT C3 3 C2 C4 H3 CONECT C4 3 C3 C5 H4 CONECT C5 3 C4 C6 H5 CONECT C6 3 N1 C5 H6 CONECT N 3 C2 HN1A HN2 CONECT HN1 1 N1 CONECT H3 1 C3 CONECT H4 1 C4 CONECT H5 1 C5 CONECT H6 1 C6 CONECT HN1A 1 N CONECT HN2 1 N END HET 2AP 14 HETNAM 2AP 2-AMINOPYRIDINE FORMUL 2AP C5 H7 N2 1+