N-[4-[(6,7-Dimethoxy-4-quinolinyl)oxy]phenyl]-N'-(4-fluorophenyl)-1,1-cyclopropanedicarboxamide-d4 (2S)-2-Hydroxybutanedioic Acid; Cabozantini-d4 S-Malate; XL 184-d4,N-[4-[(6,7-Dimethoxy-4-quinolinyl)oxy]phenyl]-N'-(4-fluorophenyl)-1,1-cyclopropanedicarboxamide-d4 (2S)-2-Hydroxybutanedioic Acid,"Cabozantinib-d4 L-Malate Salt, is the labeled analogue of Cabozantinib L-Malate Salt (C051500), which is a small molecule inhibitor of the tyrosine kinases c-Met and VEGFR2, and has been shown to reduce tumor growth, metastasis, and angiogenesis.",Cabozantinib