KR-2827B

anguinomycin A

5-DeMethylleptoMycin A, KR 2827A

19-[(3,6-Dihydro-6-oxo-2H-pyran)-2-yl]-6-hydroxy-3,5,7,9,11,15,17-heptamethyl-8-oxo-2,10,12,16,18-nonadecapentaenoic acid