1H-Benz(de)isoquinoline-2(3H)-acetamide, alpha-(4-aminobutyl)-1,3-dioxo-N-tricyclo(3.3.1.1(3,7))dec-1-yl-, monohydrobromide 81274-66-0 alpha-(4-Aminobutyl)-1,3-dioxo-N-tricyclo(3.3.1.1(3,7))dec-1-yl-1H-benz(de)isoquinoline-2(3H)-acetamide monohydrobromide