1 FFQ [(1r)-1-hydroxypropyl]phosphonic acid 1.000 2 1JJ [(1s)-1-hydroxypropyl]phosphonic acid 1.000 3 GG6 [(1s,2s)-1,2-dihydroxypropyl]phosphonic acid 0.889 4 YS8 [(1r)-1-hydroxy-2-methylpropyl]phosphonic acid 0.889 5 57H Prop-2-en-1-ylphosphonic acid 0.875 6 3V2 [(1r)-1-aminopropyl]phosphonic acid 0.778 7 7VD (2-oxopropyl)phosphonic acid 0.778 8 CCP Butylphosphonate 0.778 9 ODV [(1r)-2-amino-1-hydroxyethyl]phosphonic acid 0.778 10 S0H (S)-2-hydroxypropylphosphonic acid 0.778 11 TB6 [(2r)-2-hydroxypropyl]phosphonic acid 0.778 12 3PP 3-phosphonopropanoic acid 0.700 13 IPI 3-methylbutylphosphonic acid 0.700 14 PVA 1-amino-2-methyl-propylphosphonic acid 0.700