 The screening rates for each cell line the cytostatic and cytotoxic impact of tested substances.Due to the diversity of the cell lines, it is possible to compare tested compounds by their effect patterns, high correlation potentially corresponding to similar effect mechanisms.An automated comparison against a database of more than 88,000 pure compounds and more than 34,000 crude extracts () is provided by the COMPARE tool, which shows a list of substances ranked by the Pearson correlation coefficients for a given test substance.