7-Hydroxymethotrexate is the major metabolite of Methotrexate.Methotrexate is an inhibitor of folic acid, inhibiting dihydrofolate reductase, which prevents the conversion of folic acid to tetrahydrofolate, and inhibiting DNA synthesis.

DCZ0415 induces antimyeloma activity in vitro, in vivo and in primary cells of drug-resistant myeloma patients. DCZ0415 is a potent TRIP13 inhibitor that can impair the repair of non-homologous end junctions and inhibit NF-κB activity.DCZ0415 (10, 20 μM; 72 hours) showed a marked reduction in colony formation, indicating that it inhibited cell proliferation.

N-Valyltryptophan is an incomplete breakdown product of protein catabolism or protein digestion.