2'-deoxy-3'-(4,4'-dimethoxy-2'-methoxycarbonyl-5,6,5',6'-bis(methylenedioxy)-1,1'-biphenyl-2-carboxyl)uridine
2'-deoxy-3'-(4,4'-dimethoxy-2'-methoxycarbonyl-5,6,5',6'-bis(methylenedioxy)-1,1'-biphenyl-2-carboxyl)uridine