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. 2015 Mar 27;9:1825–1841. doi: 10.2147/DDDT.S75886

Figure 4.

Figure 4

The journey of an oral drug candidate depicting the quantitative structure–activity relationship of physicochemical properties with absorption, distribution, metabolism, excretion, and toxicity.

Notes: ADR is an injury caused by taking the medications. ADRs may occur following a single dose or prolonged administration of a drug or result from the combination of two or more drugs.

Abbreviations: MW, molecular weight; PSA, polar surface area.