N-[(Butylamino)carbonyl]-4-[(3-methylphenyl)amino]-3-pyridinesulfonamide; 1-Butyl-3-[[4-[(3-methylphenyl)amino]pyridin-3-yl]sulfonyl]urea; N-(Butylcarbamoyl)-4-(m-tolylamino)pyridine-3-sulfonamide; N-(Butylcarbamoyl)-4-(3-tolylamino)pyridine-3-sulfonamide