cr 777Neuroprotective Effect of CR-777, a Glutathione Derivative of Withaferin A, Obtained through the Bioconversion of Withania somnifera (L.) Dunal Extract by the Fungus Beauveria bassiana3 posts. 291 followers. 690 following. ronaldo.c.r.777. c.r.seven. Direct . Follow. Message. Photo by c.r.seven on July 17, 2020.