Polyphenols for Toxicity on T. Piryformis (A. O. Aptula et al; Chem. Res. T 23 -1.26, -0.87, -0.65, -0.39, 0.66, 0.28, 0.37, 0.758, 1.170, 1.03, 0.850, 0.439, 1.18, 0.473, 1.850, 1.41, 1.34, 1.28, 1.84, 0.71, 2.20, -0.441, 2.010