(a) Li et al; Comparative Study of the Phase Diagrams for the Fusion Entropy and the Intermolecular Interaction between Hydroxypropyl-β-cyclodextrin and Nifedipine/Nicardipine Hydrochloride. (b) Li et al; Comparative Study of the Phase Diagrams for the Fusion Entropy and the Intermolecular Interaction between Hydroxypropyl-β-cyclodextrin and Nifedipine/Nicardipine Hydrochloride (c) Li et al; Comparative Study of the Phase Diagrams for the Fusion Entropy and the Intermolecular Interaction between Hydroxypropyl-β-cyclodextrin and Nifedipine/Nicardipine Hydrochloride.

Figure 5: XRPD of pure NIF, NIF/HP-β-CD mixtures (90%–10% NIF), and pure HP-β-CD prepared by the PM (a) and SM (b) methods. XRPD of NIF/HP-β-CD mixtures (95%, 90%, 85% NIF) (c). Subscript numbers on the right indicate the molar ratios of NIF:HP-β-CD.