Sample Correlation of center and slope spectra r (s, m) r (m, e) PCM 0.991 0.998 PCM tablet formulation A 0.997 0.997 PCM tablet formulation B 0.995 0.996 DMP 0.998 0.995 DMP tablet formulation A 0.996 0.996 DMP tablet formulation B 0.996 0.995 TMD 0.995 0.998 TMD tablet formulation A 0.996 0.997 TMD tablet formulation B 0.998 0.996

Table 1: Peak purity correlation results of PCM, DMP and TMD in two formulations at peak start, middle and end using PDA detector (WATERS HPLC, MODEL NO. 1752).