Supplier Page from MedChemExpress for 8-Arm PEG-Mal (MW 5000)
L-Tryptophan from MedChemExpress
Neuromedin U, rat TFA from MedChemExpress
Phentolamine from MedChemExpress
Polyvinyl alcohol (Mw 146000-186000, 99+% hydrolyzed) from MedChemExpress