126389-85-3 2-(((2,4-Dihydroxyphenyl)methylene)hydrazono)-N-(4-ethoxyphenyl)-N'-hydroxypropanimidamide BRN 4207937 Propanimidamide, 2-(((2,4-dihydroxyphenyl)methylene)hydrazono)-N-(4-ethoxyphenyl)-N'-hydroxy-