2-amino-4,5-bis(1,3-benzodioxol-5-yl)furan-3-carbonitrile

5,6-bis(1,3-benzodioxol-5-yl)furo[2,3-d]pyrimidin-4-amine

1,2-bis(1,3-benzodioxol-5-yl)ethane-1,2-dione