1,2-propanediol, 2-[(5bR,11bR)-5b,11b-dihydro-9-hydroxy-6H-furo[2',3':6,7]benzofuro[3,2-c][1]benzopyran-2-yl]-, (2R)- 2-(9-Hydroxy-5b,11b-dihydro-6H-3,7,12-trioxa-benzo[a]cyclopenta[i]fluoren-2-yl)-propane-1,2-diol 5'-(1-Methyl-1,2-dihydroxyethyl)-furo[2',3':9,10]pterocarpan-3-ol 5?-(1-Methyl-1,2-dihydroxyethyl)-furo[2?,3?:9,10]pterocarpan-3-ol Crotafuran E InChI=1/C20H18O6/c1-20(23,9-21)17-7-13-15(25-17)5-4-11-14-8-24-16-6-10(22)2-3-12(16)19(14)26-18(11)13/h2-7,14,19,21-23H,8-9H2,1H3/t14-,19-,20+/m0/s rel-(2R)-2-[(5bR,11bR)-9-hydroxy-5b,11b-dihydro-6H-furo[2',3':6,7][1]benzofuro[3,2-c]chromen-2-yl]propane-1,2-diol