Derazantinib Racemate (ARQ-087 Racemate) is the racemate of Derazantinib. Derazantinib is an orally bioavailable, ATP competitive tyrosine kinase inhibitor; exhibits potent activity against FGFR1-3 chondrocytes with IC 50 s of 4.5, 1.8, and 4.5 nM, respectively.