Showing structure for (3z,5e,15z,24z)-20-[(1z)-but-1-en-1-yl]-17,18-dihydroxy-9-methoxy-3,6,19,24-tetramethyl-7-methylidene-21,26-dioxa-16-azabicyclo[13.10.3]octacosa-3,5,15(28),16,24-pentaene-22,27-dione