Disclosed herein are compounds of Formulae and, methods of synthesizing compounds of Formulae and, and methods of using compounds of Formulae and as an analgesic. An experimenter human subject, or any other kind of experiment through which it collects data, and can incentivize the participation of subjects in the experiment through monetary compensation. In one embodiment, the short cavity diode-pumped laser may be modulated at rates up to 15 GHz.