RESIDUE 52P 37 CONECT F1 1 C2 CONECT C2 3 F1 C3 C28 CONECT C3 3 C2 C4 H3 CONECT C4 3 C3 C5 H4 CONECT C5 3 C4 S6 C26 CONECT S6 2 C5 C7 CONECT C7 3 S6 C8 N25 CONECT C8 3 C7 C9 H8 CONECT C9 3 C8 C10 H9 CONECT C10 3 C9 C11 N24 CONECT C11 3 C10 C12 C20 CONECT C12 3 C11 C13 C18 CONECT C13 3 C12 CL14 C15 CONECT CL14 1 C13 CONECT C15 3 C13 C16 H15 CONECT C16 3 C15 C17 H16 CONECT C17 3 C16 C18 H17 CONECT C18 3 C12 C17 CL19 CONECT CL19 1 C18 CONECT C20 3 C11 O21 N22 CONECT O21 1 C20 CONECT N22 2 C20 C23 CONECT C23 3 N22 N24 H23 CONECT N24 3 C10 C23 N25 CONECT N25 2 C7 N24 CONECT C26 3 C5 F27 C28 CONECT F27 1 C26 CONECT C28 3 C2 C26 H28 CONECT H3 1 C3 CONECT H4 1 C4 CONECT H8 1 C8 CONECT H9 1 C9 CONECT H15 1 C15 CONECT H16 1 C16 CONECT H17 1 C17 CONECT H23 1 C23 CONECT H28 1 C28 END HET 52P 37 HETNAM 52P 5-(2,6-dichlorophenyl)-2-[(2,4-difluorophenyl)sulfanyl] HETNAM 2 52P -6H-pyrimido[1,6-b]pyridazin-6-one FORMUL 52P C19 H9 Cl2 F2 N3 O1 S1