4H-1,4-BENZOXAZIN-3-ONE, 2,3-DIHYDRO-7,8-DICHLORO-4-(2-DIETHYLAMINOETHYL)-2-METH 4H-1,4-Benzoxazin-3-one, 2,3-dihydro-7,8-dichloro-4-(2-diethylaminoethyl)-2-methyl-, hydrochloride 57462-64-3