ADR	adverse drug reaction
AUC	area under the receiver operating characteristic curve
BA	balanced accuracy
CNS	central nervous system
DDI	drug–drug interaction
ECG	electrocardiogram
FAERS	FDA Adverse Event Reporting System
FDA	U.S. Food and Drug Administration
FN	false negative
FP	false positive
N	Number of drug pairs belonging to the class in the dataset
MNA	multilevel neighborhoods of atoms
Pa	probability “to be active”
Pi	probability “to be inactive”
PASS	Prediction of Activity Spectra for Substances
PoSMNA	Pairs of Substances Multilevel Neighborhoods of Atoms
QTc	corrected QT interval
ROC	receiver operating characteristic
SAR	structure–activity relationship
Sen.	sensitivity
Spec.	specificity
TN	true negative
TP	true positive