2'-Demethyltryptoquivaline 60676-56-4 FTD Fumitremorgin D NSC 292204 Nortryptoquivaline Nortryptoquivaline A Spiro(furan-2(5H),9'-(9H)imidazo(1,2-a)indole)-3',5(2'H)-dione, 4-(2-((1S)-1-(acetyloxy)-2-methylpropyl)-4-oxo-3(4H)-quinazolinyl)-1',3,4,9'a-tetrahydro-1'-hydroxy-2'-methyl-, (2S,2'S,4R,9'aS)- Spiro(furan-2(5H),9'-(9H)imidazo(1,2-a)indole)-3',5(2'H)-dione, 4-(2-(1-(acetyloxy)-2-methylpropyl)-4-oxo-3(4H)-quinazolinyl)-1',3,4,9'a-tetrahydro-1'-hydroxy-2'-methyl-, (2'S-(2'alpha,9'beta(4S*(R*)),9'aalpha))- Tryptoquivaline D