2'-acetoxy-5'-O-acetyl-3,4'-O-isopropylidenepyridoxol

1⁴-(hydroxymethyl)-3,7-dithia-1(2,5)-pyridina-5(1,4)-benzenacyclooctaphan-1³-ol

17-hydroxy-18-hydroxymethyl-17,18'-O-isopropylidene-2,11-dithia(3)paracyclo(3)(2,5)pyridinophane