The molecule is a hydrochloride obtained by reaction of (S)-prasugrel with one equivalent of hydrochloric acid (the racemic salt is a cardiovascular drug). It contains a (S)-prasugrel(1+). It is an enantiomer of a (R)-prasugrel hydrochloride.
[5-[(1S)-2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-6,7-dihydro-4H-thieno[3,2-c]pyridin-2-yl] acetate;hydrochloride