TWS-119 is an inhibitor of glycogen synthase kinase-3β (GSK-3β) that induces neuronal differentiation in pluripotent murine embryonal carcinoma cells and embryonic stem cells (ESCs).
CGP-53437 is a novel HIV-1 protease inhibitor, also potently inhibiting major aspartyl peptidase 1 (May1), a secreted Cryptococcus neoformans protease.