Supplier Page from Thermo Fisher Scientific for 2-(Tri-n-butylstannyl)thiophene, 97%
D-Mannitol, 98+% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific