(-)-TAN 2162 1,19:5,9-Diepoxybenzocyclooctadecen-3(5H)-one, 6,7,8,9,10,11,12,15,16,17,18,19-dodecahydro- 4,7,19-trihydroxy-2,6,8,12,14,16,18-heptamethyl-, (5R,6R,7S,8R,9R,12S,13E,16S,18S,19S)- Kendomycin NSC716244 TAN 2162