(1alpha,2alpha,3alpha,7alpha,11alpha,13alpha)-2,3,7-tris(acetyloxy)-8,11-dihydroxy-14-oxopimar-15-en-1-yl benzoate 1(2H)-phenanthrenone, 6,7,10-tris(acetyloxy)-5-(benzoyloxy)-2-ethenyldodecahydro-4,10a-dihydroxy-2,4b,8,8-tetramethyl-, (2R,4R,4aS,4bS,5R,6S,7S,8aS,10R,10aR)- Benzoic acid 2,3,9-triacetoxy-5,8a-dihydroxy-1,1,4a,7-tetramethyl-8-oxo-7-vinyl-tetradecahydro-phenanthren-4-yl ester InChI=1/C33H42O11/c1-9-31(7)16-21(37)25-32(8)22(15-23(41-17(2)34)33(25,40)29(31)39)30(5,6)26(43-19(4)36)24(42-18(3)35)27(32)44-28(38)20-13-11-10-12-14-20/h9-14,21-27,37,40H,1,15-16H2,2-8H3/t21-,22+,23-,24+,25-,26-,27+,31+,32+,33+/m1/s Orthosiphol U