RESIDUE 0M8 41 CONECT O1 2 P1 H1 CONECT P1 4 O1 O2 O3 C9 CONECT O2 1 P1 CONECT O3 2 P1 H2 CONECT C9 4 P1 P2 C8 H3 CONECT P2 4 C9 O5 O4 O6 CONECT O5 1 P2 CONECT O4 2 P2 H4 CONECT O6 2 P2 H5 CONECT C8 4 C9 N1 H6 H7 CONECT N1 3 C8 C7 H8 CONECT C7 4 N1 C6 H10 H11 CONECT C6 4 C7 C5 H12 H13 CONECT C5 4 C6 C4 H14 H15 CONECT C4 4 C5 C3 H16 H17 CONECT C3 4 C4 C2 H18 H19 CONECT C2 4 C3 C1 H20 H21 CONECT C1 4 C2 H22 H23 H24 CONECT H1 1 O1 CONECT H2 1 O3 CONECT H3 1 C9 CONECT H4 1 O4 CONECT H5 1 O6 CONECT H6 1 C8 CONECT H7 1 C8 CONECT H8 1 N1 CONECT H10 1 C7 CONECT H11 1 C7 CONECT H12 1 C6 CONECT H13 1 C6 CONECT H14 1 C5 CONECT H15 1 C5 CONECT H16 1 C4 CONECT H17 1 C4 CONECT H18 1 C3 CONECT H19 1 C3 CONECT H20 1 C2 CONECT H21 1 C2 CONECT H22 1 C1 CONECT H23 1 C1 CONECT H24 1 C1 END HET 0M8 41 HETNAM 0M8 [2-(heptylamino)ethane-1,1-diyl]bis(phosphonic acid) FORMUL 0M8 C9 H23 N1 O6 P2