Supplier Page from Thermo Fisher Scientific for 5-(Tri-n-butylstannyl)pyrimidine, 96%
Allopurinol, 98% from Thermo Fisher Scientific
D-Cystine, 98% from Thermo Fisher Scientific
Hexyl alcohol, 98%, pure from Thermo Fisher Scientific
Isonipecotic acid, 99% from Thermo Fisher Scientific