Rotenone 
Microsome fractions from housefly abdomens, mouse livers, and rat 
livers were used to study rotenone degradation. Metabolites so produced 
were in part the same as in living mice and flies. I.R., U.V., chromato- 
graphy, chemical reactions, and mass spectra were used to identify 
metabolites. Sequence studies demonstrated the relation of the metabo- 
lites: A, B, C and F arose fzrom rotenone but not from any other inter= 
mediate. A yielded D and G; B yielded E and H; C yielded D and E; F 
yielded G and H (502, 1527). 
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