Supplier Page from Thermo Fisher Scientific for 5-(Chloromethyl)uracil, 97%
2-Mercapto-1-methylimidazole, 98% from Thermo Fisher Scientific
D(-)-Ribose, 99+% from Thermo Fisher Scientific
Phenylselenol, 98% from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific