A thiophene-based azacryptand Mannich base: 15,35-dipropyl-2,5,8,22,25,28-hexaoxa-12,18,32,38-tetrathia-15,35-diazapentacyclo[29.5.5.5.0.0]tetraconta-1(37),9(13),10,17(21),19,29(33),30,39-octaene
Acta crystallographica. Section E