Noun
curtisin (uncountable) (organic chemistry) A tetracyclic sulfur-containing alkaloid with IUPAC name 8-hydroxy-4-[(S)-methylsulfinyl]-1,6-diazatetracyclo[7.6.1.0.0]hexadeca-3,5(16),7,9,11,14-hexaene-2,13-dione