138370-13-5 9,8,14-(1)Butanyl(4)ylideneanthra(1,2-b)benz(f)azocine-5,16,19-trione, 8,9,14,15-tetrahydro-1,4,6,8,17,20-hexahydroxy-18-methyl-, (8R-(8alpha,9beta,14beta,17S*,18R*))- Dynemicin P