264603-28-3
2,2-dimethyl-propionic acid (2R,4R,6S,8R)-8-(2-acetoxy-butyl)-4-(tert-butyl-dimethyl-silanyloxy)-10-oxo-1,7-dioxa-spiro[5.5]undec-2-ylmethyl ester
264603-23-8
(6R,8R,10S)-8-benzyloxymethyl-10-(tert-butyl-dimethyl-silanyloxy)-2-(2-hydroxy-butyl)-1,7-dioxa-spiro[5.5]undec-2-en-4-one
264603-34-1
(6R,8R,10R)-8-benzyloxymethyl-10-(tert-butyl-dimethyl-silanyloxy)-2-(2-hydroxy-butyl)-1,7-dioxa-spiro[5.5]undec-2-en-4-one
264603-37-4
(6R,8R,10R)-10-(tert-butyl-dimethyl-silanyloxy)-2-(2-hydroxy-butyl)-8-hydroxymethyl-1,7-dioxa-spiro[5.5]undec-2-en-4-one
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