RESIDUE 203 16 CONECT O19 1 C18 CONECT C18 3 O19 N17 C13 CONECT N17 3 C18 S16 H17 CONECT C13 3 C18 C14 N12 CONECT C14 3 C13 N15 N10 CONECT N15 3 C14 S16 H15 CONECT S16 4 N17 N15 O20 O21 CONECT O20 1 S16 CONECT O21 1 S16 CONECT N10 2 C14 C11 CONECT C11 3 N10 N12 H11 CONECT N12 3 C13 C11 H12 CONECT H17 1 N17 CONECT H15 1 N15 CONECT H11 1 C11 CONECT H12 1 N12 END HET 203 16 HETNAM 203 1,5-DIHYDROIMIDAZO[4,5-C][1,2,6]THIADIAZIN-4(3H)-ONE 2, HETNAM 2 203 2-DIOXIDE FORMUL 203 C4 H4 N4 O3 S1