RESIDUE 3C1 25 CONECT C1 3 N1 C4 H1 CONECT N1 2 C1 C2 CONECT O1 1 S1 CONECT C2 3 N1 C3 H2 CONECT N2 3 C5 S1 H3 CONECT O2 1 S1 CONECT C3 3 C2 C6 H4 CONECT N3 3 C5 C6 C7 CONECT C4 3 C1 C6 S1 CONECT C5 4 N2 N3 H5 H6 CONECT C6 3 C3 N3 C4 CONECT C7 4 N3 C8 H7 H8 CONECT C8 4 C7 H9 H10 H11 CONECT S1 4 O1 N2 O2 C4 CONECT H1 1 C1 CONECT H2 1 C2 CONECT H3 1 N2 CONECT H4 1 C3 CONECT H5 1 C5 CONECT H6 1 C5 CONECT H7 1 C7 CONECT H8 1 C7 CONECT H9 1 C8 CONECT H10 1 C8 CONECT H11 1 C8 END HET 3C1 25 HETNAM 3C1 4-ethyl-3,4-dihydro-2H-pyrido[4,3-e][1,2,4]thiadiazine HETNAM 2 3C1 1,1-dioxide FORMUL 3C1 C8 H11 N3 O2 S1