DILIP. R. KULKARNI, et al. “Copper (II), Cobalt (II) and Chromium (III) Complexes of 2, 4 Diamino-5- (3, 4, 5 Trimethoxy-Benzyl) Pyrimidine: Synthesis, Charecterisation and Influence of Copper (II) Complex On Germination of Legume Seeds”. International Journal of Pharma and Bio Sciences, vol. 1, no. 2, June 2010, pp. 1-13, https://ijpbs.net/index.php/journal/article/view/397.