Supplier Page from Thermo Fisher Scientific for 4-Amino-2-(methylthio)pyrimidine-5-carbonitrile, 97%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific