1-Phthalancarboxylic acid, 3,3-dimethyl-1-(3-(dimethylamino)propyl)-, methyl ester, hydrochloride 22048-31-3 3,3-Dimethyl-1-(3-(dimethylamino)propyl)-1-phthalancarboxylic acid methyl ester HCl LU 4-006 hydrochloride