Supplier Page from Thermo Fisher Scientific for (S)-(+)-2-Amino-3-hydroxy-3-methylbutanoic acid, 98%, 94% ee
2-Ethylaniline, 98% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific