1 57H Prop-2-en-1-ylphosphonic acid 1.000 2 1JJ [(1s)-1-hydroxypropyl]phosphonic acid 0.875 3 3V2 [(1r)-1-aminopropyl]phosphonic acid 0.875 4 7VD (2-oxopropyl)phosphonic acid 0.875 5 A1L0T 2-methylpropylphosphonic acid 0.875 6 CCP Butylphosphonate 0.875 7 FFQ [(1r)-1-hydroxypropyl]phosphonic acid 0.875 8 S0H (S)-2-hydroxypropylphosphonic acid 0.875 9 TB6 [(2r)-2-hydroxypropyl]phosphonic acid 0.875 10 3PP 3-phosphonopropanoic acid 0.778 11 GG6 [(1s,2s)-1,2-dihydroxypropyl]phosphonic acid 0.778 12 IPI 3-methylbutylphosphonic acid 0.778 13 PVA 1-amino-2-methyl-propylphosphonic acid 0.778 14 YS8 [(1r)-1-hydroxy-2-methylpropyl]phosphonic acid 0.778 15 2HE (2-hydroxyethyl)phosphonic acid 0.750 16 GG7 [(1r)-1-aminoethyl]phosphonic acid 0.750 17 P7I (2-aminoethyl)phosphonic acid 0.750 18 POA Phosphonoacetaldehyde 0.750 19 GB Methylphosphonic acid ester group 0.714 20 2WW [(1s)-1-amino-3-methylbutyl]phosphonic acid 0.700 21 APO D-2-amino-3-phosphono-propionic acid 0.700 22 CYX (3-formyl-but-3-enyl)-phosphonic acid 0.700 23 GZ3 (E)-2-methyl-3-phosphonoacrylate 0.700 24 MPH (1-amino-3-methylsulfanyl-propyl)-phosphonic acid 0.700 25 NLP (1-amino-pentyl)-phosphonic acid 0.700 26 PLU Leucine phosphonic acid 0.700 27 PPR Phosphonopyruvate 0.700 28 WHT (2~{R})-2-azanyl-3-phosphono-propanoic acid 0.700