Supplier Page from Thermo Fisher Scientific for O-(6-Chlorobenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate, 98%
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific