1 3V3 1-amino-3,6,9,12-tetraoxapentadecan-15-oic acid 1.000 2 90A 2-oxo-6,9,12,15-tetraoxa-3-azaoctadecan-18-oic acid 0.773 3 B0U 3-[2-[2-(2-azanylethoxy)ethoxy]ethoxy]propanoic acid 0.737 4 EYO 1,4,7,10,13-pentaoxacyclopentadecane 0.737 5 PGF 2,5,8,11-tetraoxatridecane 0.722 6 1PE Pentaethylene glycol 0.700