8α-hydroxy-6,11β,7αH-eudesm-4-en-6,12-olide
8α-hydroxy-6,11β,7αH-eudesma-2,4-dien-6,12-olide
3-oxo-8α-hydroxy-6,11β,7αH-eudesm-4-en-6,12-olide
3,3-ethanedithio-8α-hydroxy-6,11β,7αH-eudesm-4-en-6,12-olide
8α-tert-butyldimethylsilyloxy-6,11β,7αH-eudesm-4-en-12,6-olide