Showing structure for (e)-2-[(2e,3r,4r)-3-(acetyloxy)-4-hydroxy-1-azabicyclo[3.1.0]hexan-2-ylidene]-2-{[(2s)-1-hydroxy-2-[(e,e)-3-methoxy-5-methylnaphthalene-1-carbonyloxy]-2-[(2s)-2-methyloxiran-2-yl]ethylidene]amino}-n-[(1e)-1-hydroxy-3-oxobut-1-en-2-yl]ethanimidic acid