1,1-Diethyl-3-(m-hydroxyphenyl)urea dimethylcarbamate 73953-77-2 Carbamic acid, dimethyl-, 3-[[(diethylamino)carbonyl]amino]phenyl ester NSC222545 Urea, 1,1-diethyl-3-(m-hydroxyphenyl)-, dimethylcarbamate m-(3,3-Diethylureido)phenyl dimethylcarbamate