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. 2013 Dec 15;5(4):173–179. doi: 10.1016/j.jyp.2013.11.005

Table 2.

Molecular properties of conventional drugs and quercetin.

Property Details Value
Rivastigmine Donepezil Galantamine Tacrine Quercetin
log P Octanol-water partition coefficient 2.276 4.1 1.987 3.05 1.683
TPSA Polar surface area 32.781 38.777 41.934 38.915 131.351
N atoms Number of non-hydrogen atoms 18.0 28.0 22.0 15.0 22.0
MW Molecular weight 250.342 379.5 301.386 198.269 302.238
n ON Number of hydrogen-bond acceptors (O and N atoms) 4 4 4 2 7
n OHNH Number of hydrogen-bond donors (OH and NH groups) 0 0 1 2 5
n violations Number of rule of 5 violations 0 0 0 0 0
n rotb Number of rotatable bonds 5 6 1 0 1
Volume Molecular volume 254.014 367.895 284.431 191.533 240.084