2-(Diethylamino)ethyl a-phenylbenzeneacetate hydrochloride;Disodium (6E)-4-amino-3-(4-nitrophenyl)diazenyl-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate;Oil Black S;Orient Water Black R 455;Spasnil;Spasmolytin;2,2-diphenylacetic acid 2-diethylaminoethyl ester hydrochloride;2-diethylaminoethyl 2,2-diphenylacetate hydrochloride