2-[(11E,13E)-6-[5-(4,5-dihydroxy-4,6-dimethyloxan-2-yl)oxy-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-16-ethyl-4-hydroxy-5,9,13-trimethyl-2,10-dioxo-15-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxymethyl]-1-oxacyclohexadeca-11,13-dien-7-yl]acetaldehyde 生成 2-[(11E,13E)-6-[4-(dimethylamino)-3,5-dihydroxy-6-methyloxan-2-yl]oxy-16-ethyl-4-hydroxy-5,9,13-trimethyl-2,10-dioxo-15-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxymethyl]-1-oxacyclohexadeca-11,13-dien-7-yl]acetaldehyde