RESIDUE 722 50 CONECT O1 2 P1 HO1 CONECT P1 4 O1 O3 O2 C1 CONECT O3 1 P1 CONECT O2 2 P1 HO2 CONECT C1 4 P1 P2 C2 H1 CONECT P2 4 C1 O4 O5 O6 CONECT O4 2 P2 HO4 CONECT O5 2 P2 HO5 CONECT O6 1 P2 CONECT C2 4 C1 N1 H2 H2A CONECT N1 3 C2 C7 C3 CONECT C7 3 N1 C6 H7 CONECT C6 3 C7 C5 O7 CONECT C5 3 C6 C4 H5 CONECT C4 3 C5 C3 H4 CONECT C3 3 N1 C4 H3 CONECT O7 2 C6 C8 CONECT C8 4 O7 C9 H8 H8A CONECT C9 4 C8 C10 H9 H9A CONECT C10 4 C9 C11 H10 H10A CONECT C11 4 C10 C12 H11 H11A CONECT C12 4 C11 C13 H12 H12A CONECT C13 4 C12 C14 H13 H13A CONECT C14 4 C13 H14 H14A H14B CONECT HO1 1 O1 CONECT HO2 1 O2 CONECT H1 1 C1 CONECT HO4 1 O4 CONECT HO5 1 O5 CONECT H2 1 C2 CONECT H2A 1 C2 CONECT H7 1 C7 CONECT H5 1 C5 CONECT H4 1 C4 CONECT H3 1 C3 CONECT H8 1 C8 CONECT H8A 1 C8 CONECT H9 1 C9 CONECT H9A 1 C9 CONECT H10 1 C10 CONECT H10A 1 C10 CONECT H11 1 C11 CONECT H11A 1 C11 CONECT H12 1 C12 CONECT H12A 1 C12 CONECT H13 1 C13 CONECT H13A 1 C13 CONECT H14 1 C14 CONECT H14A 1 C14 CONECT H14B 1 C14 END HET 722 50 HETNAM 722 1-(2,2-diphosphonoethyl)-3-(heptyloxy)pyridinium FORMUL 722 C14 H26 N1 O7 P2 1+