Supplier Page from Thermo Fisher Scientific for Germanium(IV) isopropoxide, 99.9% (metals basis)
2,6-Lutidine, 99% from Thermo Fisher Scientific
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Methyl chloroformate, 99% from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific