RESIDUE 476 40 CONECT O11 1 P10 CONECT P10 4 O11 O13 O12 C8 CONECT O13 2 P10 H1 CONECT O12 2 P10 H2 CONECT C8 4 P10 P9 C7 H3 CONECT P9 4 C8 O15 O14 O16 CONECT O15 2 P9 H4 CONECT O14 1 P9 CONECT O16 2 P9 H5 CONECT C7 4 C8 N2 H6 H7 CONECT N2 3 C7 C1 C3 CONECT C1 3 N2 C6 H8 CONECT C6 3 C1 C5 C17 CONECT C5 3 C6 C4 H9 CONECT C4 3 C5 C3 H10 CONECT C3 3 N2 C4 H11 CONECT C17 4 C6 C18 H12 H13 CONECT C18 4 C17 C19 H14 H15 CONECT C19 4 C18 C20 H16 H17 CONECT C20 4 C19 H18 H19 H20 CONECT H1 1 O13 CONECT H2 1 O12 CONECT H3 1 C8 CONECT H4 1 O15 CONECT H5 1 O16 CONECT H6 1 C7 CONECT H7 1 C7 CONECT H8 1 C1 CONECT H9 1 C5 CONECT H10 1 C4 CONECT H11 1 C3 CONECT H12 1 C17 CONECT H13 1 C17 CONECT H14 1 C18 CONECT H15 1 C18 CONECT H16 1 C19 CONECT H17 1 C19 CONECT H18 1 C20 CONECT H19 1 C20 CONECT H20 1 C20 END HET 476 40 HETNAM 476 3-butyl-1-(2,2-diphosphonoethyl)pyridinium FORMUL 476 C11 H20 N1 O6 P2 1+