(1R,2S)-2-Methyl-cyclopropanecarboxylic acid [(S)-2-(tert-butyl-dimethyl-silanyloxy)-1-formyl-ethyl]-amide

(1R,2S)-2-methylcyclopropanecarbothioic acid [(1R,2Z,6E,8E,12R)-1-(hydroxymethyl)-12-methoxy-9-methylpentadeca-2,6,8,14-tetraenyl]amide