(1-alpha,6-beta,7-alpha,14S,20S)-7,20:14,20-Diepoxy-1,6,7-trihydroxykaur-16-en-15-one 52617-37-5 Kaur-16-en-15-one, 7,20:14,20-diepoxy-1,6,7-trihydroxy-, (1-alpha,6-beta,7-alpha,14S,20S)- Ponicidin Rubescensin B