Supplier Page from MedChemExpress for β-Alanine-15N
DMEM/F-12 (1:1), L-Glutamine, Phenol Red, HEPES from MedChemExpress
L-Lysine-d4 dihydrochloride from MedChemExpress
Ni-IDA Magnetic Agarose Beads from MedChemExpress
Oxybutynin chloride from MedChemExpress