API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Fesoterodine

Fesoterodine Impurity A

2-((R)-3-(Diisoprpylamino)-1-phenypropyl-4-(hydroxymethyl) phenol Fesoterodine-Fesoterodine-Impurity-A
Fesoterodine

Fesoterodine Impurity

R)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-methylphenol Fesoterodine-Impurity
Fesoterodine

Fesoterodine Impurity

2-((R)-3-(Diisoprpylamino)-1-phenypropyl-4-(methylphenyl)isobutyrate Fesoterodine-Fesoterodine-Impurity
Fesoterodine

Fesoterodine Impurity

2-((R)-3-(Diisoprpylamino)-1-phenypropyl)phenyl isobutyrate Fesoterodine-Impurity-2-((R)-3-(Diisoprpylam)
Fesoterodine

Fesoterodine Impurity

(R)-3-(3-Diisopropylamino)-1-phenylpropyl)-4-(isobutyryloxy)benzylisobutyrate Fesoterodine-ImpurityR)-3-(3-Diisopropy
Fesoterodine

Fesoterodine Impurity

Isobutyic acid2-((S)-3-diisopropylammonium-1-phenylpropyl)-4-hydroxymethyl)phenyl ester(S-ISOMER) Fesoterodine-Isobutyic-acid2-((S)-3
Fesoterodine

Fesoterodine Impurity

(R)-2-(3-Diisopropylamino)-1-phenylpropyl)-4-formylphenyl isobutyrate Fesoterodine-Impurity-(R)-2-(3-Diisopropylamino)