Synonyms: Triptolide,12,13-deepoxy-12,13-dihydroxy-, (12a)-; 12-Epitriptriolide;Bisoxireno[4b,5:8a,9]phenanthro[1,2-c]furan-4(2H)-one,1b,3,6,6b,7,7a,9,10,11,11a-decahydro-9,10,11-trihydroxy-1b-methyl-10-(1-methylethyl)-,[1bS-(1aR*,1ba,6bb,7ab,8aR*,9a,10b,11b,11ab)]-; Epitriptriolide