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Contour maps of CoMFA analysis with the most active compound V-7. In each field, favored and disfavored areas are fixed at 80 and 20% contribution levels, respectively; (a) steric field: green contours represent the favored regions whereas yellow contours represent the disfavored regions; (b) electrostatic field: blue contours represent the favored regions whereas red contours represent the disfavored regions.
