1 4W9 (4s,4as,6as,8r,9r,10ar,13r,14as,18ar,18br)-9-ethyl-4,8,19-trihydroxy-10a,12,13,18a-tetramethyl-2,3,4,4a,5,6,6a,7,8,9,10,10a,13,14,18a,18b-hexadecahydro-1h-14a,17-(metheno)benzo[B]naphtho[2,1-H]azacyclododecine-16,18(15h,17h)-dione 1.000 2 A3I (4s,4as,6ar,8r,9r,10as,13s,14as,18ar,18br,E)-9-ethyl-4,8,19-trihydroxy-10a,12,13,18a-tetramethyl-2,3,4,4a,6a,7,8,9,10,10a,13,14,18a,18b-tetradecahydro-14a,17-(metheno)benzo[B]naphtho[2,1-H][1]azacyclododecine-16,18(1h,15h)-dione 1.000 3 9LC (4s,4as,6ar,8r,9r,11e,12ar,14as,17e,18ar,18br)-9-ethyl-4,8,19-trihydroxy-11,12a,13,18a-tetramethyl-2,3,4,4a,6a,7,8,9,10,12a,13,14,18a,18b-tetradecahydro-14a,17-(metheno)cyclobuta[B]naphtho[2,1-j][1]azacyclotetradecine-16,18(1h,15h)-dione 0.756