Described herein are compounds that are inhibitors of autotaxin. In one embodiment, the contact probe device includes first and second contact probes connected to each other, the first contact probe including a first film, and a plurality of first wiring patterns formed on the first film, each first wiring pattern having a front end portion projecting from the first film so as to form contact pins. The second network device comprises an interface configured to receive the first signal over the communication link.