(+)-4-(3,4-Dihydroxy-1-butenyl)-3,5,5-trimethyl-2-cyclohexenone 2-cyclohexen-1-one, 4-[(1E)-3,4-dihydroxy-1-butenyl]-3,5,5-trimethyl-, (4R)- 4-(3,4-Dihydroxy-but-1-enyl)-3,5,5-trimethyl-cyclohex-2-enone 4-[(1E)-3,4-dihydroxybut-1-en-1-yl]-3,5,5-trimethylcyclohex-2-en-1-one 9,10-Dihydroxy-4,7-megastigmadien-3-one InChI=1/C13H20O3/c1-9-6-11(16)7-13(2,3)12(9)5-4-10(15)8-14/h4-6,10,12,14-15H,7-8H2,1-3H3/b5-4+/t10?,12-/m0/s