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Three-dimensional QSAR StDev*Coeff contour maps using the most bioactive compound 40. (A) Steric fields: favored (green) and disfavored (yellow); (B) electrostatic fields: electropositive (blue) and electronegative (red); (C) hydrophobic field: favored (yellow) and disfavored (white); (D) H-bond acceptor field: favored (Red) and disfavored (magenta); Hydrogen bond donor field: favored (blackish green) and disfavored (pale green).
