13-Hydroxy-14-oxocacalohastin 3-(hydroxymethyl)-9-methoxy-5-methyl-5,6-dihydronaphtho[2,3-b]furan-4-carbaldehyde 3-Hydroxymethyl-9-methoxy-5-methyl-5,6-dihydro-naphtho[2,3-b]furan-4-carbaldehyde InChI=1/C16H16O4/c1-9-4-3-5-11-13(9)12(7-18)14-10(6-17)8-20-16(14)15(11)19-2/h3,5,7-9,17H,4,6H2,1-2H3/t9-/m0/s naphtho[2,3-b]furan-4-carboxaldehyde, 5,6-dihydro-3-(hydroxymethyl)-9-methoxy-5-methyl-, (5S)-