Shakir, M.S. and Kadhim, E.J. 2022. Phytochemical investigation of some active constituents from N-Butanol fraction of Tropaeolum majus L. cultivated in Iraq. International journal of health sciences. 6, S9 (Oct. 2022), 3423–3430. DOI:https://doi.org/10.53730/ijhs.v6nS9.13336.