Descriptor

Number of Hydrogen Bond Acceptors (HBA) 1

Number of Hydrogen Bond Acceptors (HBA) 1. The default SMARTS pattern is: [$([!#6;+0]);!$([F,Cl,Br,I]);!$([o,s,nX3]);!$([Nv5,Pv5,Sv4,Sv6])].

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