Synonyms: NORTRYPTOQUIVALINE;60676-56-4;Fumitremorgin D;Tryptoquivaline D;Nortryptoquivaline A;2'-Demethyltryptoquivaline;AC1L8B22;NSC292204;NSC 292204;NSC-292204;[1-[3-(3-hydroxy-2-methyl-1,2'-dioxospiro[2,3a-dihydroimidazo[1,2-a]indole-4,5'-oxolane]-3'-yl)-4-oxoquinazolin-2-yl]-2-methylpropyl] acetate;FTD;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))-