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