Description of 25H-4,15-(Methano[1,3]benzenomethano)-20,24-metheno-19H-dibenzo[k,t][1,4,7,10]tetraoxacycloheneicosin-26,29-diol,2,17,22,32-tetrakis(1,1-dimethylethyl)-6,7,9,10,12,13-hexahydro-
25H-4,15-(Methano[1,3]benzenomethano)-20,24-metheno-19H-dibenzo[k,t][1,4,7,10]tetraoxacycloheneicosin-26,29-diol,2,17,22,32-tetrakis(1,1-dimethylethyl)-6,7,9,10,12,13-hexahydro- related products :