CRYSTAL STRUCTURE OF THE BRIAREIN DITERPENOID: (1S*, 2S*, 5Z, 7S*, 8R*, 9S*, 10S*, 11Z, 14S*, 17R*)- 2,14-DIACETOXY-8,17-EPOXY-9-HYDROXYBRIARA-5,11-DIEN-18-ONE The crystal structure of a briarein diterpenoid, (1S*, 2S*, 5Z, 7S*, 8R*, 9S*, 10S*, 11Z, 14S*, 17R*) -2,14 -diacetoxy-8,17-epoxy…