(E)-(1S,2S,5R,9S,11S,12R,13S)-5-((1E,3E)-4-Bromo-buta-1,3-dienyl)-1,13-dihydroxy-9-methoxy-2,7,12-trimethyl-4,15-dioxa-bicyclo[9.3.1]pentadec-7-en-3-one

2-[6-[10-bromo-6-(tert-butyldimethylsilyloxy)-2-methoxy-4-methyl-deca-3,7,9-trienyl]-4-(tert-butyldimethylsilyloxy)-2-methoxy-5-methyl-tetrahydro-pyran-2-yl]propan-1-ol

(S)-2-[(2S,4S,5S,6S)-6-[(3E,7E,9E)-(2S,6R)-10-Bromo-6-(tert-butyl-dimethyl-silanyloxy)-2-methoxy-4-methyl-deca-3,7,9-trienyl]-4-(tert-butyl-dimethyl-silanyloxy)-2-methoxy-5-methyl-tetrahydro-pyran-2-yl]-propionic acid

3'-tert-butyldimethylsilyloxy-dolastatin 19

6-[10-bromo-6-(tert-butyldimethylsilyloxy)-2-methoxy-4-methyl-deca-3,7,9-trienyl]-4-(tert-butyldimethylsilyloxy)-2-[2-(3,4-dimethoxybenzyloxy)-1-methyl-ethyl]-2-methoxy-5-methyl-tetrahydro-pyran