IV9 iv9 1,1,3,3,5,7,7,9,11,15,15-undecakis($l^{1}-oxidanyl)-2$l^{4},4$l^{3},6$l^{5},8,10,12,14,16,17,18,19$l^{3},20,21,22,23-pentadecaoxa-1$l^{6},3$l^{6},5$l^{6},7$l^{6},9$l^{6},11$l^{6},13$l^{6},15$l^{6}-octatungstapentadecacyclo[7.7.1.1^{1,13}.1^{3,5}.1^{3,15}.1^{5,7}.1^{5,11}.1^{7,11}.0^{2,13}.0^{2,15}.0^{4,13}.0^{6,9}.0^{6,11}.0^{6,13}.0^{9,19}]tricosane IV9