Secondary metabolites, structure diagram: Trivial name - aflatoxin B2

Secondary metabolites, structure diagram: Trivial name - aflatoxin B2
Species: A. arachidicola, A. flavus, A. minisclerotigenes, A. nomius, A. parasiticusSystematic name: Cyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione, 2,3,6a,8,9,9a-hexahydro-4-methoxy-, (6aR-cis)Molecular formulae: C17H14O6Molecular weight: 314.29Chemical abstracts number: 7220-81-7Selected references: CHANG SB, ABDEL-KADER MM, WICK EL, WOGAN GN. AFLATOXIN B2: CHEMICAL IDENTITY AND BIOLOGICAL ACTIVITY. Science. 1963 Nov 29;142:1191-2.Toxicity: Not significantly carcinogenic and has reduced acute toxicity compared with aflatoxin B1. Oral LD50 in day-old ducklings 1.8 mg/kg body weight.