SMILES: CCOC(=O)N[C@@H]1CC[C@@H]2[C@@H](C1)C[C@@H]3[C@H]([C@H]2/C=C/C4=[NH+]C=C(C=C4)C5=CC(=CC=C5)F)[C@H](OC3=O)C
Description: The molecule is a pyridinium ion obtained by protonation of the pyridine nitrogen in vorapaxar. It is a conjugate acid of a vorapaxar.