Showing structure for (2e,4z,6e,8r)-8-[(3-methyl-2-{[(6e)-1,2,3,4-tetrahydroxy-4,6-dimethyloct-6-en-1-ylidene]amino}butanoyl)oxy]-8-[(2s)-2-methyloxiran-2-yl]octa-2,4,6-trienoic acid