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Molecular weight (MW), LogP, LogS, number of heavy atoms (HAC), hydrogen bonds donors (HD), hydrogen bonds acceptors (HA), number of hetero atoms (nHA), number of rings (NR), polar surface area (PSA) and molar refractivity (MR) of 500-fragment library (black bar chart) and 20-best-fragment library (grey bar chart). The table of the 500 fragments selected is given in supplementary material Figure S3.
