An apparatus and method for distracting, in a given direction, and supporting two tissue surfaces. The organic electroluminescent device of the present invention comprises an element substrate having organic EL elements on one surface thereof and a protective substrate bonded to the element substrate with an adhesive layer that is provided on the organic EL elements interposed therebetween. The present invention relates to compounds of formula I or II:or pharmaceutically acceptable salts thereof; wherein Q, T, m, and X are as described herein.