6-deoxy-2,4-di-O-methyl-N-[1,8,14a-trihydroxy-6a-methoxy-2-(methoxycarbonyl)-3-methyl-7,9,12,14-tetraoxo-5,6,6a,7,9,12,14,14a-octahydrobenzo[a]tetracen-11-yl]hexopyranosylamine