Supplier Page from Thermo Fisher Scientific for Ruthenium, plasma standard solution, Specpure:r, Ru 10,000µg/mL
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific