RESIDUE GM1 11 CONECT C1 3 N1 O1 C2 CONECT N1 3 C1 HN11 HN12 CONECT O1 1 C1 CONECT C2 4 C1 N2 H21 H22 CONECT N2 3 C2 HN21 HN22 CONECT HN11 1 N1 CONECT HN12 1 N1 CONECT H21 1 C2 CONECT H22 1 C2 CONECT HN21 1 N2 CONECT HN22 1 N2 END HET GM1 11 HETSYN GM1 GLYCINAMID HETNAM GM1 AMINOMETHYLAMIDE FORMUL GM1 C2 H6 N2 O