RESIDUE Y4U 28 CONECT O1 1 C9 CONECT O2 1 S CONECT C1 3 C2 C H1 CONECT C2 3 C1 C3 H2 CONECT C3 3 C2 C4 H3 CONECT C4 3 C3 C5 H4 CONECT C5 3 C4 C H5 CONECT C6 3 C7 N H6 CONECT C7 3 C6 C8 H7 CONECT C8 3 C7 C9 C11 CONECT C9 3 O1 C8 C10 CONECT C10 4 C9 H8 H9 H10 CONECT C11 3 C8 N H11 CONECT S 4 O2 O N C CONECT O 1 S CONECT N 3 C6 C11 S CONECT C 3 C1 C5 S CONECT H1 1 C1 CONECT H2 1 C2 CONECT H3 1 C3 CONECT H4 1 C4 CONECT H5 1 C5 CONECT H6 1 C6 CONECT H7 1 C7 CONECT H8 1 C10 CONECT H9 1 C10 CONECT H10 1 C10 CONECT H11 1 C11 END HET Y4U 28 HETNAM Y4U 1-[1-(benzenesulfonyl)-1H-pyrrol-3-yl]ethan-1-one FORMUL Y4U C12 H11 N O3 S