3 beta,8 alpha-dihydroxy-13-pyrrolidine-4(15),10(14)-(1 alpha H,5 alpha H,6 beta H,11 beta H)-guaiadien-12,6-olide
3 beta,8 alpha-dihydroxy-13-pyrrolidine-4(15),10(14)-(1 alpha h,5 alpha h,6 beta h,11 beta h)-guaiadien-12,6-olide