1 EPS 5-[(1-carboxyvinyl)oxy]-4-hydroxy-3-(phosphonooxy)cyclohex-1-ene-1-carboxylic acid 1.000 2 RC1 [3r-[3a,4a,5b(R*)]]-5-(1-carboxy-1-phosphonoethoxy)-4-hydroxy-3-(phosphonooxy)-1-cyclohexene-1-carboxylic acid 0.840 3 SC1 [3r-[3a,4a,5b(S*)]]-5-(1-carboxy-1-phosphonoethoxy)-4-hydroxy-3-(phosphonooxy)-1-cyclohexene-1-carboxylic acid 0.840 4 SKP 5-(1-carboxy-1-phosphonooxy-ethoxyl)-4-hydroxy-3-phosphonooxy-cyclohex-1-enecarboxylic acid 0.808 5 SPQ (3r,4s,5r)-5-{[(1r)-1-carboxy-2-fluoro-1-(phosphonooxy)ethyl]oxy}-4-hydroxy-3-(phosphonooxy)cyclohex-1-ene-1-carboxylic acid 0.778 6 ISJ (3r,4r)-3-[(1-carboxyethenyl)oxy]-4-hydroxycyclohexa-1,5-diene-1-carboxylic acid 0.762 7 GG9 (3r,4s,5r)-5-[(1r)-1-carboxy-2,2-difluoro-1-(phosphonooxy)ethoxy]-4-hydroxy-3-(phosphonooxy)cyclohex-1-ene-1-carboxylic acid 0.750 8 RDH 3-[(1-carboxyvinyl)oxy]benzoic acid 0.714