(1S,3aS,3bR,4R,5aR,7aR,8aS,11aS,13aR,14aR,15aR,16aR,16bR,17aR)-1-hydroxy-1,4,5a,13,13-pentamethyltetradecahydro-2H,10H-7a,16a-epoxy-3,9,12,15,17-pentaoxacyclopenta[3',3a']cyclopropa[6',7']azuleno[6',5 8H,16H-7a,16a-epoxy-2H,10H-3,9,12,15,17-pentaoxacyclopenta[3',3a']cycloprop[6',7']azuleno[6',5':5,6]cyclooct[1,2,3-cd]-as-indacene-2,5,10,16(1H)-tetrone, tetradecahydro-1-hydroxy-1,4,5a,13,13-pentamet InChI=1/C29H34O11/c1-11-16-17-20(25(5,34)22(33)35-17)39-29-18(16)24(4,19(11)31)6-7-26(40-29)10-27-12(8-14-28(26,37-14)21(29)32)23(2,3)36-13(27)9-15(30)38-27/h11-14,16-18,20,34H,6-10H2,1-5H3/t11-,12-,13+,14-,16+,17+,18-,20-,24-,25+,26-,27+,28+,29-/m1/s Lancifodilactone B