Figure 1- Small- and wide-angle powder X-ray diffraction spectra of (A) 100% FKB after 4 days, (B) 50:50 blend of FKB:FPO after 4 days, (C) 100% FPO after 4 days, (D) 100% FKB after 12 days, (E) 50:50 blend of FKB:FPO after 12 days, and (F) 100% FPO after 12 days storage at room temperature.