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. 2020 Dec 24;14:5689–5698. doi: 10.2147/DDDT.S279302

Table 4.

UV Spectra Similarity of the Six Proton-Pump Inhibitors

Compound OPZ(EOPZ) RPZ PPZ IPZ LPZ
OPZ(EOPZ) 1.0000
RPZ 0.9832 1.0000
PPZ 0.9977 0.9870 1.0000
IPZ 0.9538 0.9672 0.9498 1.0000
LPZ 0.9949 0.9781 0.9938 0.9288 1.0000