label: 1-tert-butyl-3-(6-(3,5-dimethoxyphenyl)-2-(4-diethylaminobutylamino)pyrido(2,3-d)pyrimidin-7-yl)ureea
label_lc: 1-tert-butyl-3-(6-(3,5-dimethoxyphenyl)-2-(4-diethylaminobutylamino)pyrido(2,3-d)pyrimidin-7-yl)ureea