| A | atropine |
| BAR | Bennett Acceptance Ratio |
| BChE | butyrylcholinesterase |
| BTC | butyrylthiocholine |
| CAC | catalytic active center |
| CES | carboxylesterase |
| ChE | cholinesterase |
| FEP | free energy perturbation |
| MD | molecular dynamics |
| OP | organophosphate |
| PAS | peripheral anionic site |