1 299 2,6-diformyl-4-methylphenyl dihydrogen phosphate 1.000 2 262 2-formylphenyl dihydrogen phosphate 0.812 3 4OJ (2-methylphenyl) dihydrogen phosphate 0.750 4 GWM (4-methylphenyl) dihydrogen phosphate 0.750 5 300 2-formyl-6-methoxyphenyl dihydrogen phosphate 0.722 6 2PB 2-[(dioxidophosphino)oxy]benzoate 0.706 7 88L (4-ethylphenyl) dihydrogen phosphate 0.706