Etoposide - Impurity I

111712-42-6

(5R,5aR,8aR,9S)-9-(((2R,4aR,6R,7R,8R,8aS)-7,8-Dihydroxy-2-methylhexahydropyrano[3,2-d][1,3]dioxin-6-yl)oxy)-5-(3,4,5-trimethoxyphenyl)-5,8,8a,9-tetrahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6(5aH)-one; (5R,5aR,8aR,9S)-9-[[4,6-O-[(1R)-Ethane-1,1-diyl]-β-D-glucopyranosyl]oxy]-5-(3,4,5-trimethoxyphenyl)-5,8,8a,9-tetrahydro[2]benzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one;