2-[2,3-dihydroxy-4-[3-hydroxy-5-(4-hydroxy-3,5-dimethoxy-6-methyloxan-2-yl)oxy-4-methoxy-6-methyloxan-2-yl]oxy-5,5-dimethyl-6-[(1E,3E)-penta-1,3-dienyl]oxan-2-yl]-N-[(2E,4E)-7-[3,4-dihydroxy-5-[(1E,3E,5E)-7-(4-hydroxy-1-methyl-2-oxopyridin-3-yl)-6-methyl-7-oxohepta-1,3,5-trienyl]oxolan-2-yl]-6-methoxy-5-methylocta-2,4-dienyl]butanamide 生成 2-[2,3-dihydroxy-4-[3-hydroxy-5-(4-hydroxy-3,5-dimethoxy-6-methyloxan-2-yl)oxy-4-methoxy-6-methyloxan-2-yl]oxy-5,5-dimethyl-6-[(1E,3E)-penta-1,3-dienyl]oxan-2-yl]-N-[(2E,4E)-7-[5-[(1E,3E)-4-(3,6-dimethyl-4,5-dioxo-2,3-dihydropyrano[3,2-c]pyridin-2-yl)buta-1,3-dienyl]-3,4-dihydroxyoxolan-2-yl]-6-methoxy-5-methylocta-2,4-dienyl]butanamide