RESIDUE M5B 21 CONECT CAC 3 CAD CAE H1 CONECT CAD 3 CAC SAK H2 CONECT CAE 3 CAC CAM H3 CONECT CAF 3 CAG NAI H4 CONECT CAG 3 CAF NAJ H5 CONECT CAL 3 NAH NAI NAJ CONECT CAM 3 CAE SAK SAN CONECT NAH 3 CAL SAN H6 CONECT NAI 3 CAF CAL H7 CONECT NAJ 2 CAG CAL CONECT OAA 1 SAN CONECT OAB 1 SAN CONECT SAK 2 CAD CAM CONECT SAN 4 CAM NAH OAA OAB CONECT H1 1 CAC CONECT H2 1 CAD CONECT H3 1 CAE CONECT H4 1 CAF CONECT H5 1 CAG CONECT H6 1 NAH CONECT H7 1 NAI END HET M5B 21 HETNAM M5B ~{N}-(1~{H}-imidazol-2-yl)thiophene-2-sulfonamide FORMUL M5B C7 H7 N3 O2 S2