6-benzyloxy-1-tert-butyloxycarbonyl-2,3-dihydro-1H-indole-3-methanol

6-benzyloxy-3-hydroxymethyl-2,3-dihydro-1H-indole

6-tert-butyldimethylsilyoxy-1-tert-butyloxycarbonyl-3-acetoxymethylindole

3-acetoxymethyl-6-benzyloxy-1-t-butoxycarbonyl-2,3-dihydro-1H-indole

6-(benzyloxy)-1-(methylsulfonyl)-3-<<(methylsulfonyl)oxy>methyl>indoline