4H-Cyclopent(f)oxacyclotridecin-4-one, 1,6,7,8,9,11a,12,13,14,14a-decahydro-1-hydroxy-6-methyl-, (1R-(1R*,2E,6S*,10E,11aS*,14aR*))- 73899-78-2 Brefeldin C