Supplier Page from Thermo Fisher Scientific for Tetra-n-butylammonium hydroxide, 40% w/w in methanol
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific