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Table 1 The top 10 R groups in library

From: IntelliPatent: a web-based intelligent system for fast chemical patent claim drafting

R groupSMILESOccurrence (%)
Methyl*C19.9
Fluoro*F8.4
Methoxy*OC7.0
Hydroxy*O6.3
Sulfamoyl*S(=O)(=O)N5.6
Chloro*Cl5.1
Hydrogen*H3.8
Ethynyl*C#C2.8
Trifluoromethyl*C(F)(F)F2.2
Carboxy*C(=O)O1.9