3',6'-Bis(ethyl-amino)-2',7'-dimethyl-2-{[2-[(E)-3,4-methyl-enedioxy-benzyl-idene-amino]eth-yl}spiro-[isoindoline-1,9'-xanthen]-3-one.

3',6'-Bis(ethyl-amino)-2',7'-dimethyl-2-{[2-[(E)-3,4-methyl-enedioxy-benzyl-idene-amino]eth-yl}spiro-[isoindoline-1,9'-xanthen]-3-one.