639088-38-3 4-ISOBENZOFURANCARBOXYLIC ACID,6-ETHYL-1,3,3A,4,5,7A-HEXAHYDRO-3-OXO-,METHYL ESTER,(3AR,4S,7AS)-REL- 63909-08-0 2-{4-[(3-amino-2,3,6-trideoxyhexopyranosyl)oxy]-2,5,12-trihydroxy-7-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracen-2-yl}-2-oxoethyl hydroxyacetate hydrochloride