Synonyms: Triptolide,15-hydroxy-; 15-Hydroxytriptolide; Triptolidenol;Trisoxireno[4b,5:6,7:8a,9]phenanthro[1,2-c]furan-1(3H)-one,3b,4,4a,6,6a,7a,7b,8b,9,10-decahydro-6-hydroxy-6a-(1-hydroxy-1-methylethyl)-8b-methyl-,[3bS-(3ba,4aa,5aR*,6b,6ab,7ab,7ba,8aR*,8bb)]-