(2R)-2-[(2R,5S,6R)-6-[(2S,3S,4S,6R)-6-[(2S,5S,7R,9S,10S,12R,15R)-2-[(2R,5R,6S)-5-ethyl-5-hydroxy-6-methyloxan-2-yl]-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[4.1.5^{7}.3^{5}]pentadec-13-en-9-yl]-3-hydroxy-4-methyl-5-oxooctan-2-yl]-5-methyloxan-2-yl]butanoic acid
(2R)-2-[(2R,5S,6R)-6-[(1S,2S,3S,5R)-5-[(2S,5S,7R,9S,10S,12R,15R)-2-[(2R,5R,6S)-5-ethyl-5-hydroxy-6-methyl-tetrahydropyran-2-yl]-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[4.1.5^{7}.3^{5}]pentadec-13-en-9-yl]-2-hydroxy-1,3-dimethyl-4-oxo-heptyl]-5-methyl-tetrahydropyran-2-yl]butanoic acid
(2R)-2-[(2R,5S,6R)-6-[(1S,2S,3S,5R)-5-[(2S,5S,7R,9S,10S,12R,15R)-2-[(2R,5R,6S)-5-ethyl-5-hydroxy-6-methyl-2-tetrahydropyranyl]-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[4.1.5^{7}.3^{5}]pentadec-13-en-9-yl]-2-hydroxy-1,3-dimethyl-4-oxoheptyl]-5-methyl-2-tetrahydropyranyl]butanoic acid
(2R)-2-[(2R,5S,6R)-6-[(1S,2S,3S,5R)-5-[(2S,5S,7R,9S,10S,12R,15R)-2-[(2R,5R,6S)-5-ethyl-5-hydroxy-6-methyl-tetrahydropyran-2-yl]-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[4.1.5^{7}.3^{5}]pentadec-13-en-9-yl]-2-hydroxy-4-keto-1,3-dimethyl-heptyl]-5-methyl-tetrahydropyran-2-yl]butyric acid
(2R)-2-[(2R,5S,6R)-6-[(2S,3S,4S,6R)-6-[(2S,5S,7R,9S,10S,12R,15R)-2-[(2R,5R,6S)-5-ethyl-5-hydroxy-6-methyl-oxan-2-yl]-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[4.1.5^{7}.3^{5}]pentadec-13-en-9-yl]-3-hydroxy-4-methyl-5-oxo-octan-2-yl]-5-methyl-oxan-2-yl]butanoic acid
C15690