. "Caracurine VII, Deacetyldiaboline" . . . "Wieland-Gumlich aldehyde" . . . "(1S,9S,10R,11R,12E,17S)-12-(2-hydroxyethylidene)-8,14-diazapentacyclo[9.5.2.01,9.02,7.014,17]octadeca-2,4,6-triene-10-carbaldehyde" . . "Wieland-Gumlich aldehyde" . . . . . .