63982-49-0 CARBAMIC ACID, METHYL-, 5-DIMETHYLAMINO-2,4-XYLYL ESTER, HYDROCHLORIDE Carbamic acid, N-methyl-, 2,4-dimethyl-5-dimethylaminophenyl ester, hydrochloride N-Methylurethane of hydrochloride of 6-dimethylamino-o-4-xylenol T-1770