Supplier Page from MedChemExpress for 4-Nitrophenyl 11,16-dioxo-14,14-bis(3-oxo-3-((2-(2-(prop-2-yn-1-yloxy)ethoxy)ethyl)amino)propyl)-4,7-dioxa-10,15-diazaicos-1-yn-20-oate
L-Lysine-d4 dihydrochloride from MedChemExpress
NHS Magnetic Beads (200nm, 10 mg/mL) from MedChemExpress
Rochelle salt from MedChemExpress
TBS Powder (1 L of 1×) from MedChemExpress