2-[(4R,5S)-2,2-Dimethyl-5-(6,6,8-trimethyl-1,4-dithia-spiro[4.5]dec-7-en-7-yl)-[1,3]dioxolan-4-yl]-benzaldehyde

tert-Butyl-{2-[(4R,5S)-2,2-dimethyl-5-(6,6,8-trimethyl-1,4-dithia-spiro[4.5]dec-7-en-7-yl)-[1,3]dioxolan-4-yl]-benzyloxy}-dimethyl-silane

(1S,2R)-2-[2-(tert-Butyl-dimethyl-silanyloxymethyl)-phenyl]-2-(1-methoxy-1-methyl-ethoxy)-1-(6,6,8-trimethyl-1,4-dithia-spiro[4.5]dec-7-en-7-yl)-ethanol

(R)-[2-(tert-Butyl-dimethyl-silanyloxymethyl)-phenyl]-(1-methoxy-1-methyl-ethoxy)-acetaldehyde