(2010/04/03)
(4S,4aS,5aR,12aS)-8-amino-13-(dimethylamino)-9-[ (dimethylamino)methyl]-4a-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-10-fluoro-11a,12,12a,13-tetrahydro-5-hydroxy-3,7-bis(phenylmethoxy)-naphthaceno[2,3-d]isoxazole-4,6(4aH,11H)-dione
N-(N-(9-fluorenyl)methoxycarbonyl)-L-azetidine-2-carboxylic acid