RESIDUE 2FT 17 CONECT O01 2 C02 HO01 CONECT C02 3 O01 O03 C04 CONECT O03 1 C02 CONECT C04 4 C02 C05 H04 H04A CONECT C05 4 C04 C06 H05 H05A CONECT C06 4 C05 F07 F08 C09 CONECT F07 1 C06 CONECT F08 1 C06 CONECT C09 3 C06 O10 O11 CONECT O10 1 C09 CONECT O11 2 C09 HO11 CONECT HO01 1 O01 CONECT H04 1 C04 CONECT H04A 1 C04 CONECT H05 1 C05 CONECT H05A 1 C05 CONECT HO11 1 O11 END HET 2FT 17 HETNAM 2FT 2,2-difluoropentanedioic acid FORMUL 2FT C5 H6 F2 O4