RESIDUE 1SA 14 CONECT S1 4 O1 O2 N1 C1 CONECT O1 1 S1 CONECT O2 1 S1 CONECT N1 3 S1 HN11 HN12 CONECT N2 2 N3 C1 CONECT N3 2 N2 C2 CONECT S2 2 C1 C2 CONECT C1 3 S1 N2 S2 CONECT C2 3 N3 S2 N4 CONECT N4 3 C2 HN41 HN42 CONECT HN11 1 N1 CONECT HN12 1 N1 CONECT HN41 1 N4 CONECT HN42 1 N4 END HET 1SA 14 HETNAM 1SA 5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE FORMUL 1SA C2 H4 N4 O2 S2