1 168 Pantothenyl-aminoethanol-acetate pivalic acid 1.000 2 OPI Pantothenyl-aminoethanol-11-pivalic acid 0.821 3 PN5 (3r)-3-hydroxy-2,2-dimethyl-4-oxo-4-({3-oxo-3-[(2-sulfanylethyl)amino]propyl}amino)butyl 2,2-dimethylpropanoate 0.821