N-[2-[bis(1-Methylethyl)amino]ethyl]-2-[(2-hydroxy-4,5-dimethoxybenzoyl)amino]-4-thiazolecarboxamide; N-{2-[bis(1-Methylethyl)amino]ethyl}-2-{[(2-hydroxy-4,5-dimethoxyphenyl)carbonyl]amino}-1,3-thiazole-4-carboxamide; N-[2-[di(Propan-2-yl)amino]ethyl]-2-[(2-hydroxy-4,5-dimethoxybenzoyl)amino]-1,3-thiazole-4-carboxamide; N-(2-(diisopropylamino)ethyl)-2-(2-hydroxy-4,5-dimethoxybenzamido)thiazole-4-carboxamide;