78232-36-7 ESAFT Estra-1,3,5(10)-triene-3,17-diol (17beta)-, 17-(4-((6-((((3',6'-dihydroxy-3-oxospiro(isobenzofuran-1(3H),9'-(9H)xanthen)-5-yl)amino)thioxomethyl)amino)hexyl)amino)-4-oxobutanoate) N-(Estradiol-17beta-succinylaminohexyl)-N'-fluoresceinyl-thiourea