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