1 GG6 [(1s,2s)-1,2-dihydroxypropyl]phosphonic acid 1.000 2 1JJ [(1s)-1-hydroxypropyl]phosphonic acid 0.889 3 7VD (2-oxopropyl)phosphonic acid 0.889 4 FFQ [(1r)-1-hydroxypropyl]phosphonic acid 0.889 5 S0H (S)-2-hydroxypropylphosphonic acid 0.889 6 TB6 [(2r)-2-hydroxypropyl]phosphonic acid 0.889 7 YS8 [(1r)-1-hydroxy-2-methylpropyl]phosphonic acid 0.800 8 2HE (2-hydroxyethyl)phosphonic acid 0.778 9 57H Prop-2-en-1-ylphosphonic acid 0.778 10 POA Phosphonoacetaldehyde 0.778 11 PPR Phosphonopyruvate 0.727 12 3V2 [(1r)-1-aminopropyl]phosphonic acid 0.700 13 CCP Butylphosphonate 0.700 14 ODV [(1r)-2-amino-1-hydroxyethyl]phosphonic acid 0.700 15 PAE Phosphonoacetic acid 0.700 16 PCT Phosphonoacetamide 0.700 17 YRQ [(2s)-1-hydroxypropan-2-yl]phosphonic acid 0.700