(3,4-Methylenedioxyphenyl)-2-butanamine 1,3-Benzodioxole-5-ethanamine, alpha-ethyl- 1-(3,4-Methylenedioxyphenyl)-2-butanamine 1-Mdpba 103818-45-7 107447-03-0 BDB alpha-Ethyl-1,3-benzodioxole-5-ethanamine