 Because of their inherent strain and instability, fenestranes are of theoretical interest to chemists.The name—proposed in 1972 by Vlasios Georgian and Martin Saltzman—is derived from the Latin word for window, "fenestra".Georgian had intended that "fenestrane" solely referred to [4.4.4.4]fenestrane, whose skeletal structure looks like windows, and Kenneth B. Wiberg called that specific structure "windowpane".