86413-75-4 Benz(a)anthracene-1,7,12(2H)-trione, 3,4,4a,12b-tetrahydro-2,3,4a,8-tetrahydroxy-3-methyl-12b-((tetrahydro-5-hydroxy-6-methyl-2H-pyran-2-yl)oxy)-, (2S-(2alpha,3beta,4aalpha,12balpha(2S*,5S*,6S*)))- Sakyomicin A