RESIDUE 2MN 21 CONECT OHD 2 CB6 HHD CONECT CB6 4 OHD CB5 HB6 H6 CONECT CB5 4 CB6 NC1 HB5 H5 CONECT NC1 3 CB5 CC3 CC2 CONECT CC3 3 NC1 CA5 NC4 CONECT CA5 4 CC3 HA51 HA52 HA53 CONECT NC4 2 CC3 CC5 CONECT CC5 3 NC4 CC2 HC5 CONECT CC2 3 NC1 CC5 NO CONECT NO 3 CC2 OB OA CONECT OB 1 NO CONECT OA 1 NO CONECT HHD 1 OHD CONECT HB6 1 CB6 CONECT H6 1 CB6 CONECT HB5 1 CB5 CONECT H5 1 CB5 CONECT HA51 1 CA5 CONECT HA52 1 CA5 CONECT HA53 1 CA5 CONECT HC5 1 CC5 END HET 2MN 21 HETNAM 2MN Metronidazole FORMUL 2MN C6 H9 N3 O3