5,7-(epoxymethano)-1,3-benzodioxolo[5',6':3,4]cycloocta[1,2-f][1,3]benzodioxole, 5,6,7,8-tetrahydro-13,14-dimethoxy-6-methyl-, (5R,6R,7R)- InChI=1/C22H22O7/c1-10-12-4-11-5-14-19(28-8-26-14)21(23-2)16(11)17-13(18(10)25-7-12)6-15-20(22(17)24-3)29-9-27-15/h5-6,10,12,18H,4,7-9H2,1-3H3/t10-,12+,18-/m1/s Pyramidatin H rel-(1R,21R,24R)-9,12-dimethoxy-24-methyl-5,7,14,16,23-pentaoxahexacyclo[19.2.1.0~2,10~.0~4,8~.0~11,19~.0~13,17~]tetracosa-2(10),3,8,11(19),12,17-hexaene (non-preferred name)