Synonyms: Furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one,9-[(2,3-di-O-acetyl-4,6-O-ethylidene-b-D-glucopyranosyl)oxy]-5-[3,5-dimethoxy-4-(sulfooxy)phenyl]-5,8,8a,9-tetrahydro-,sodium salt, [5R-[5a,5ab,8aa,9b(R*)]]-; BMY 28968; Sodium 2'',3''-di-O-acetyletoposide 4'-sulfate