. . . "53179-13-8" . . . "pirfenidone (Esbriet)" . . . . . "32016" . . . . . . "D01583" . . "Esbriet, Pirespa, Etuary" . "Pirfenidone" . "D7NLD2JX7U" . "Esbriet" . . . . . "40632" . "a615008" . . . "pirfenidone" . "Pirfenidone" . . "1256391" .