Metabolism and Excretion of Nirmatrelvir in Humans Using Quantitative Fluorine Nuclear Magnetic Resonance Spectroscopy: A Novel Approach for Accelerating Drug Development. - Singh RSP; Walker GS; Kadar EP; Cox LM; Eng H; Sharma R; Bergman AJ; Van Eyck L; Hackman F; Toussi SS; Kalgutkar AS; Obach RS (Clinical pharmacology and therapeutics, 2022)