84823-09-6 EINECS 284-224-6 tert-Butyl (2(S)-(3aalpha,4alpha,7alpha,7aalpha))-(2-((1,3,3a,4,7,7a-hexahydro-1,3-dioxo-4,7-methano-2H-isoindol-2-yl)oxy)-1-(hydroxymethyl)-2-oxoethyl)carbamate