?-sugar-(?->5)-alpha-L-Araf-(1->3)[?-sugar-(?->3)[?-sugar-(?->5)]-alpha-L-Araf-(1->5)-alpha-L-Araf-(1->5)-alpha-L-Araf-(1->5)-alpha-L-Araf-(1->3)[[5)-alpha-L-Araf-(1->5)-alpha-L-Araf-(1->5)]-alpha-L-Araf-(1->5)-alpha-L-Araf-(1->5)-alpha-L-Araf-(1->5)]-alpha-L-Araf-(1->]n