(3R,5S,5aR,6R,7S,9R,9aS,10R)-6-(acetyloxy)-5-(benzoyloxy)-2,2,5a,9-tetramethyloctahydro-2H-3,9a-methano-1-benzoxepine-7,10-diyl reldi-nicotinate 1beta-Acetoxy-9alpha-benzoyloxy-2beta,6alpha-dinicotinoyloxy-beta-dihydroagarofuran 3-pyridinecarboxylic acid, (3R,5S,5aR,6R,7S,9R,9aS,10R)-6-(acetyloxy)-5-(benzoyloxy)octahydro-2,2,5a,9-tetramethyl-2H-3,9a-methano-1-benzoxepin-7,10-diyl ester Heterophylline InChI=1/C36H38N2O9/c1-21-17-27(44-32(41)24-13-9-15-37-19-24)30(43-22(2)39)35(5)28(45-31(40)23-11-7-6-8-12-23)18-26-29(36(21,35)47-34(26,3)4)46-33(42)25-14-10-16-38-20-25/h6-16,19-21,26-30H,17-18H2,1-5H3/t21-,26-,27+,28+,29-,30+,35-,36-/m1/s