In addition to RT1640, the Company has several other compounds under development. Each of these uses a modified combination of pharmacophores to stimulate the recruitment, proliferation and  differentiation of the stem cell populations that are resident in all human organ system.  As in hair regeneration, restoration of form and function requires the activation of multiple pathways to stimulate the complex pathways of tissue regeneration.  Each of the programs listed below has unique patent  coverage, as well as the broader composition of matter patents that cover RT175 and its analogs.