(4R,5S)-4-hydroxy-3,4,5-trimethyl-5,6,7,8-tetrahydronaphtho[2,3-b]furan-9(4H)-one InChI=1/C15H18O3/c1-8-5-4-6-10-11(8)15(3,17)12-9(2)7-18-14(12)13(10)16/h7-8,17H,4-6H2,1-3H3/t8-,15+/m0/s naphtho[2,3-b]furan-9(4H)-one, 5,6,7,8-tetrahydro-4-hydroxy-3,4,5-trimethyl-, (4R,5S)-