264603-27-2
2,2-dimethyl-propionic acid-(2R,4R,6R)-4-(tert-butyl-dimethyl-silanyloxy)-8-(2-hydroxy-butyl)-10-oxo-1,7-dioxa-spiro[5.5]undec-8-en-2-ylmethyl ester
264603-26-1
2,2-dimethyl-propionic acid-(2R,4S,6R,8R,10S)-8-(2-acetoxy-butyl)-4-(tert-butyl-dimethyl-silanyloxy)-10-methoxy-1,7-dioxa-spiro[5.5]undec-2-yl methyl ester
264603-29-4
2,2-dimethyl-propionic acid-(2R,4R,6R,8R,10S)-8-(2-acetoxy-butyl)-4-(tert-butyl-dimethyl-silanyloxy)-10-methoxy-1,7-dioxa-spiro[5.5]undec-2-ylmethyl ester
264603-25-0
2,2-dimethyl-propionic acid-(2R,4S,6S,8S,10S)-8-(2-acetoxy-butyl)-4-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-1,7-dioxa-spiro[5.5]undec-2-ylmethyl ester
264603-39-6
2,2-dimethy-propionic acid-(2R,4R,6R,8S,10S)-8-(2-acetoxy-buty)-4-(tert-butyl-dimethyl-silanyloxy)-10-hydroxy-1,7-dioxa-spiro[5.5]undec-2-ylmethyl ester