Chemical Formula: C56H80N2O8

(2r,3's,3''s,3'''s,3'as,4's,4''r,4'''r,5'r,6'as,7''s,10''r,11''r,12''r,13''s,15''r,16''r,19''s,25''s,26''s,30''r,33''s)-4',13''-dihydroxy-3',3'',3''',4',4''',5,5,5''',5''',11'',25''-undecamethyl-3',3'a,6',6'a-tetrahydrotrispiro[oxolane-2,2'-cyclopenta[b]furan-5',29''-[9]oxa-[22,36]diazanonacyclo[19.15.0.0³,¹⁹.0⁴,¹⁶.0⁷,¹².0⁷,¹⁵.0²³,³⁵.0²⁵,³³.0²⁶,³⁰]hexatriacontane-10'',2'''-oxolane]-1''(21''),22'',35''-triene-6'',28''-dione