Carbamic acid, N-​(2,​4-​dimethoxyphenyl)​-​N-​[2-​[[4-​(4-​methyl-​1-​piperazinyl)​phenyl]​amino]​-​4-​pyrimidinyl]​-​, 2,​6-​dimethylphenyl ester [ 837422-57-8 ]