102651-47-8 19-Norpregna-1,3,5(10)-triene-3,17-diol, 20,21-epoxy-, (17alpha,20R)- 20,21-Epoxy-19-norpregna-1,3,5(10)-triene-3,17-diol (17alpha,20R)- 3,17-Dihydroxy-20,21-epoxy-19-norpregna-1,3,5(10)-triene DENPT