Citation: T. Jigami et al., Novel selenocycle-fused TTF-type of electron donors forming conducting molecular complexes: Bis(ethyleneseleno)tetrathiafulvalene (BES-TTF), diselenolotetrathiafulvalene (DS-TTF), and bis(ethyleneseleno)tetraselenaffilvalene(BES-TSF), J ORG CHEM, 63(24), 1998, pp. 8865-8872