6-[6-[[10-[5-[5-[5-[5-(3-carboxyprop-2-enoyloxy)-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-4-hydroxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-23-(dimethylamino)-4,8,12,22-tetrahydroxy-13-methoxycarbonyl-1,12-dimethyl-6,17-dioxo-20,25-dioxahexacyclo[19.3.1.02,19.05,18.07,16.09,14]pentacosa-2,4,7(16),8,14,18-hexaen-24-yl]oxy]-4-hydroxy-2-methyloxan-3-yl]oxy-N-hydroxy-3-(5-hydroxy-4-methoxy-6-methyloxan-2-yl)oxy-2,4-dimethyloxan-4-amine oxide