8,10-bis(p-methoxybenzyl)-8,10-diaza-6-hydroxy-1-methyl-5-ethenylbicyclo<4.2.2>decane-7,9-dione

2S,3S-anhydro-4,5-dideoxy-6-O-[(1,1-dimethylethyl)dimethylsilyl]-erythro-hexose

7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4S-hydroxy-3S-allylamino-hept-1-ene