Chakravarthy Kotha, S.; Doddipalla, R.; Gandham, H.; Swamy Rumalla, C.; Kaliyaperumal, M.; Manchineni, S. Degradation Studies of Tadalafil: Identification, Isolation and Structure Characterization of Stress Degradation Product Using LC-MS, Mass Mediated Prep-HPLC, NMR, HRMS. ajc 2021, 33, 827-832.