Tenovin-6 is the water soluble analog of Tenovin-1 and acts as a potent SIRT1 and SIRT2 inhibitor as well as an activator of the p53 pathway. Studies show that Tenovin-6 increases p53 levels more than Tenovin-1 and is also more toxic to yeast. Tenovin-6 has also been shown to inhibit SIRT3.