RESIDUE 40R 20 CONECT N1 3 N3 C4 C5 CONECT C2 4 C1 C3 H1 H2 CONECT N3 2 N1 C6 CONECT C4 4 N1 C3 H3 H4 CONECT C5 3 N1 N2 H5 CONECT C6 3 N3 N2 H6 CONECT C1 4 C2 H7 H8 H9 CONECT C3 4 C2 C4 H10 H11 CONECT N2 2 C5 C6 CONECT H1 1 C2 CONECT H2 1 C2 CONECT H3 1 C4 CONECT H4 1 C4 CONECT H5 1 C5 CONECT H6 1 C6 CONECT H7 1 C1 CONECT H8 1 C1 CONECT H9 1 C1 CONECT H10 1 C3 CONECT H11 1 C3 END HET 40R 20 HETNAM 40R 1-butyl-1H-1,2,4-triazole FORMUL 40R C6 H11 N3