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(2007/10/03)benzyl chloroformate
3a-(tert-butyl-dimethyl-silanyloxy)-5-iodo-2,3,3a,8a-tetrahydro-pyrrolo[2,3-b]indole-1,2,8-tricarboxylic acid 1,8-dibenzyl ester 2-tert-butyl ester
3a-(tert-butyl-dimethyl-silanyloxy)-2,3,3a,8a-tetrahydro-pyrrolo[2,3-b]indole-1,2,8-tricarboxylic acid 1,8-dibenzyl ester 2-tert-butyl ester
3a-hydroxy-2,3,3a,8a-tetrahydro-pyrrolo[2,3-b]indole-1,2,8-tricarboxylic acid 1,8-dibenzyl ester 2-tert-butyl ester
Nb-trityl-L-tryptophan tert-butyl ester