2-[(4-carbamimidoylbenzoyl)amino]-N-(5-chloropyridin-2-yl)-3-hydroxybenzamide;N-(5-chloropyridin-2-yl)-2-[(4-ethanimidoylbenzoyl)amino]-3-hydroxybenzamide;N-(5-chloropyridin-2-yl)-3-hydroxy-2-[[4-(1-methyl-4,5-dihydroimidazol-2-yl)benzoyl]amino]benzamide;N-(5-chloropyridin-2-yl)-3-hydroxy-2-[[4-(piperidine-1-carboximidoyl)benzoyl]amino]benzamide;N-(5-chloropyridin-2-yl)-3-hydroxy-2-[[4-(pyrrolidine-1-carboximidoyl)benzoyl]amino]benzamide