Zero derivative spectra of favipiravir (a) and indomethacin (b) and the overlay of the zero derivative spectra of favipiravir-indomethacin (c), which then was 1st derivative (d) (n = 3).

 
 
  Part of: Susanti E, Nugrahani I, Tjahyono DH (2025) Favipiravir-indomethacin interaction and its impact on their solid-state character. Pharmacia 72: 1-10. https://doi.org/10.3897/pharmacia.72.e158486