2-(-2-((3',6'-bis(diethylamino)-3-oxospiro(isoindoline-1,9'-xanthen)-2-yl)imino)ethylidene)-N-phenylhydrazine-1-carbothioamide
2-(-2-((3',6'-bis(diethylamino)-3-oxospiro(isoindoline-1,9'-xanthen)-2-yl)imino)ethylidene)-n-phenylhydrazine-1-carbothioamide