Figure 2From: PubChem3D: Biologically relevant 3-D similarityConformer volume and quadrupole histograms of biologically tested compounds. Frequency (blue) and percent cumulative frequency (red) of (a) volume, (b) Qx, (c) Qy, and (d) Qz for the 734,486 molecules tested in at least one bioassay archived in the PubChem BioAssay database.Back to article page