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