2,3-Diphenylpropionic acid 2-(diethylamino)ethyl ester 2-(Diethylamino)ethyl 2,3-diphenylpropionate 3-09-00-03334 (Beilstein Handbook Reference) 528-52-9 BRN 2627597 Benzenepropanoic acid, alpha-phenyl-, 2-(diethylamino)ethyl ester (9CI) Propionic acid, 2,3-diphenyl-, 2-(diethylamino)ethyl ester Spasmadryl