RESIDUE 25Y 23 CONECT O2 1 S1 CONECT S1 4 O2 O1 N2 N1 CONECT O1 1 S1 CONECT N2 3 S1 H1 H2 CONECT N1 3 S1 C3 H3 CONECT C3 4 N1 C1 H4 H5 CONECT H1 1 N2 CONECT H2 1 N2 CONECT H3 1 N1 CONECT H4 1 C3 CONECT H5 1 C3 END HET 25Y 23 HETNAM 25Y 1-(sulfamoylamino)methyl-1,7-dicarba-closo-dodecaborane FORMUL 25Y C3 H5 B10 N2 O2 S1