sensitivity analysis(1) Structural identifiability(1) Anti-malarial adduct agent(s)(1) Biomedical systems(1) in silico study(1) Operator splitting finite difference scheme(1) Parameter estimation(1) Chloroquine(1) Numerical simulations(1) Drug kinetics(1) Adhatoda vasica(1) Reaction diffusion models(1) Mathematical models(1) alkaloids(1) positivity(1)