“…For example, the parent thiacalix [4]arene (1, n ϭ 4, R ϭ H) has the somewhat cumbersome name 2,8,14,20-tetrathiapentacyclo[19.3.1.1 3,7 .1 9,13 .1 15,19 ]-octacosa-1(25),3,5,7(28),9,11,13 (27), 15,17,19(26),21,23-dodecaene-25,26,27,28-tetrol. Therefore, not surprisingly, the well-established nomenclature, numbering, and rules for ''classical'' calixarenes [1] have also been accepted for the thiacalixarene family.…”