Chemical Formula: C31H33N3O12

3-Methoxy-5-methyl-[1]naphthoesaeure-{7-[(1-acetyl-aziridin-2-yl)-hydroxy-methyl]-9-(1-formyl-2-oxo-propyl)-3-hydroxy-2-methyl-4,11-dioxo-1,5,8-trioxa-10-aza-spiro[5,5]undec-9-en-2-ylmethylamid}|3-methoxy-5-methyl-[1]naphthoic acid-{7-[(1-acetyl-aziridin-2-yl)-hydroxy-methyl]-9-(1-formyl-2-oxo-propyl)-3-hydroxy-2-methyl-4,11-dioxo-1,5,8-trioxa-10-aza-spiro[5,5]undec-9-en-2-ylmethylamide}