2,4-Pyrrolidinedione, 3-(1-hydroxy-6-(2-(hydroxymethyl)-1,7-dimethyl-5-oxo-3,9,10-trioxatricyclo(4.3.1.0(2,4))dec-8-yl)-4-methyl-2,4-heptadienylidene)-, (1S-(1alpha,2beta,4beta,6alpha,7beta,8alpha(1S*,2E,4E,6E)))- 60587-14-6 Tirandamycin B