132741-82-3 5,6-Methylenedioxy-2-methylaminoindan 5H-Indeno(5,6-d)-1,3-dioxol-6-amine, 6,7-dihydro-N-methyl- 6,7-Dihydro-N-methyl-5H-indeno(5,6-d)-1,3-dioxol-6-amine MDMAI