Secondary metabolites, structure diagram: Trivial name - tryptoquivaline L

Secondary metabolites, structure diagram: Trivial name - tryptoquivaline L
Species: A. fumigatusSystematic name: Spiro[furan-2(5H),9'-[9H]imidazo[1,2-a]indole]-3',5(2'H)-dione, 1',3,4,9'a-tetrahydro-1'-hydroxy-2',2'-dimethyl-4-(4-oxo-3(4H)-quinazolinyl)-, (2S,4S,9'aS)-Molecular formulae: C23H20N4O5Molecular weight: 432Chemical abstracts number: 69483-20-1Selected references: Yamazaki, Mikio; Fujimoto, Haruhiro; Maebayashi, Yukio; Okuyama, Emi (Res. Inst. Chemobiodyn., Chiba Univ., Chiba, Japan). Tennen Yuki Kagobutsu Toronkai Koen Yoshishu, 21st, 14-21. Hokkaido Daigaku Nogakubu: Sapporo, Japan. (Japanese) 1978.