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