Supplier Page from Thermo Fisher Scientific for Nigrosine, pure, water soluble, high purity biological stain
3-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific