Etoposide. A topoisomerase II inhibitor, Synonyms: 4-Demethylepipodophyllotoxin 9-(4,6-O-ethylidene-beta-D-glucopyranoside, VP-16-213, CAS Number: 33419-42-0, Purity:
98% by High-performance liquid chromatography, Molecular Formula: C22H29FOG, 250mg.