Butyramide, N-(2-((5-(p-aminophenoxy)pentyl)carbamoyl)ethyl)-2,4-dihydroxy-3,3-dimethyl- ES4260750 M & B 3751 N-(2-((5-(p-Aminophenoxy)pentyl)carbamoyl)ethyl)-2,4-dihydroxy-3,3-dimethylbutyramide