(2E)-5-{(1R,2R,3R,4S)-2,4-dimethyl-3-[(3E,11E)-7,8,13-trihydroxy-4,8,12-trimethyltrideca-3,11-dien-1-yl]-7-oxabicyclo[2.2.1]hept-2-yl}-2-methylpent-2-en-1-yl rel-acetate 2,10-tridecadiene-1,6,7-triol, 13-[(1S,2R,3R,4R)-3-[(3E)-5-(acetyloxy)-4-methyl-3-pentenyl]-1,3-dimethyl-7-oxabicyclo[2.2.1]hept-2-yl]-2,6,10-trimethyl-, (2E,10E)- Acetic acid 5-[2,4-dimethyl-3-(7,8,13-trihydroxy-4,8,12-trimethyl-trideca-3,11-dienyl)-7-oxa-bicyclo[2.2.1]hept-2-yl]-2-methyl-pent-2-enyl ester Concentricol D InChI=1/C32H54O6/c1-23(15-16-28(35)31(6,36)19-10-12-24(2)21-33)11-8-14-27-30(5,29-17-20-32(27,7)38-29)18-9-13-25(3)22-37-26(4)34/h11-13,27-29,33,35-36H,8-10,14-22H2,1-7H3/b23-11+,24-12+,25-13+/t27-,28?,29-,30-,31?,32+/m1/s