RESIDUE 4IC 19 CONECT O01 2 C02 H1 CONECT C02 3 O01 O03 C04 CONECT O03 1 C02 CONECT C04 4 C02 C06 H2 H3 CONECT C06 3 C04 C07 H4 CONECT C07 3 C06 C08 H5 CONECT C08 3 C07 C09 N12 CONECT C09 3 C08 N10 H6 CONECT N10 3 C09 C11 H7 CONECT C11 3 N10 N12 H8 CONECT N12 2 C08 C11 CONECT H1 1 O01 CONECT H2 1 C04 CONECT H3 1 C04 CONECT H4 1 C06 CONECT H5 1 C07 CONECT H6 1 C09 CONECT H7 1 N10 CONECT H8 1 C11 END HET 4IC 19 HETNAM 4IC (3E)-4-(1H-imidazol-4-yl)but-3-enoic acid FORMUL 4IC C7 H8 N2 O2