Supplier Page from Thermo Fisher Scientific for Z-Leu-Glu(OMe)-His-Asp(OMe)-fluoromethyl ketone trifluoroacetate salt hydrate
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific