874350-59-1 2-Pyrrolidinone,5-[(4R,5R)-5-[(1R)-1,2-dihydroxyethyl]-2,2-dimethyl-1,3-dioxolan-4-yl]-3,4-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (3R,4S,5S)- 87442-02-2 3,5,9,18,23-Pentaoxatricyclo[17.3.1.14,7]tetracos-11-en-10-one,7,20,21,22,24-pentahydroxy-11,15-dimethyl-,[1R-(1R*,4S*,7S*,11E,15S*,19R*,20R*,21S*,22S*,24R*)]-