Etoposide Impurity 1 Sodium Salt (cis-Etoposide Hydroxy Acid)
(5R,6S,7R,8S)-8-[[4,6-O-(1S)-ethylidene-?-D-glucopyranosyl]oxy]-5,6,7,8-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)-7-(hydroxymethyl)-naphtho[2,3-d]-1,3-dioxole-6-carboxylic acid, sodium salt (1:1)Open