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Diffractograms of (a) IND−NAP samples and (b) NIF−PAR samples after storage at 0% relative humidity (RH) and at RT for 14 days. Included in the diffractograms are crystalline starting materials (CR. IND, CR. NAP, and CR. NIF) and the diffractogram for NIF a day after melting and cooling (A. NIF).
