Supplier Page from MedChemExpress for Acid-C2-PEG4-C2-NHS ester
(-)-Huperzine A from MedChemExpress
Fluridone from MedChemExpress
Lobeline hydrochloride from MedChemExpress
Polyvinyl alcohol (Mw 146000-186000, 99+% hydrolyzed) from MedChemExpress