This work was supported by the National Natural Science Foundation of China (No.20673148). We also heartily thank the College of Life Sciences, Sun Yat-Sen University for the SYBYL 6.9 computation environment support.
A three-dimensional quantitative structure-activity relationship (3D-QSAR) study of a series of 7,8-dialkyl-l,3-diaminopyrrolo-[3,2-f] quinazolines with anticancer activity as dihydrofo- late reductase (DHFR) inhi...