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}

n-{[(9z)-7-[(1-acetylaziridin-2-yl)(hydroxy)methyl]-9-(1,3-dioxobutan-2-ylidene)-3,11-dihydroxy-2-methyl-4-oxo-1,5,8-trioxa-10-azaspiro[5.5]undec-10-en-2-yl]methyl}-3-methoxy-5-methylnaphthalene-1-carboximidic acid

n-({7-[(1-acetylaziridin-2-yl)(hydroxy)methyl]-9-(1,3-dioxobutan-2-ylidene)-3-hydroxy-2-methyl-4,11-dioxo-1,5,8-trioxa-10-azaspiro[5.5]undecan-2-yl}methyl)-3-methoxy-5-methylnaphthalene-1-carboximidic acid