Cytotoxicity spectrum of HBF-0079 and the analogue IHVR-04042.

Cells were seeded at sub-confluence, as in text, and cultured for 3 days in the absence and presence of the indicated drug, with concentrations ranging from 0.016 to 50.0 mM. See Methods and materials for details.1Cell line name, and tissue of origin.2The concentration that is cytotoxic to 50% of the cells (CC50) is reported in micromolar value, with standard deviation values as determined in 4–7 experiments.