the interaction of electronic and steric effects in determining the stereochemistry of a chemical reaction.
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(2S,3S,4S)-7-(tert-Butyl-diphenyl-silanyloxy)-2,4-dimethyl-4-phenylsulfanyl-heptane-1,3-diol
[2-(5-Benzyloxy-1-hydroxymethyl-8-methyl-1,6-dihydro-2H-pyrrolo[3,2-e]indole-3-carbonyl)-1H-indol-5-yl]-urea
