| ACC | Accumulation of compounds in cells expressed as either I/E or % of the accumulation of the reference compound azithromycin |
| ACC Class | Class (level) of accumulation (determined from LC-MS/MS data on ACC) |
| AD | Applicability domain |
| ADME | Absorption distribution metabolism and excretion |
| AZI | Azithromycin, a macrocycle antibiotic |
| CAD | Cationic amphiphilic drug |
| I/E | Intracellular to extracellular concentration ratio; a measure of accumulation |
| LC-MS/MS | Liquid chromatography coupled to tandem mass spectrometry |
| LTR ACC Class | Class (level) of accumulation (determined by an indirect method of cell imaging of lysosome volume change) |
| OPLS | Orthogonal projections to latent structures |
| QSAR | Quantitative structure-activity relationship model |