15621-34-8 2-(Dibutylamino)-N-(4-hydroxy-5-oxo-1,3,6-cycloheptatrien-1-yl)acetamide hydrochloride Acetamide, 2-(dibutylamino)-N-(4-hydroxy-5-oxo-1,3,6-cycloheptatrien-1-yl)-, monohydrochloride