(R)-4-(4-Aminophenyl)-2,2,4-trimethylchroman and (S)-4-(4-aminophenyl)-2,2,4-trimethylthiachroman

Christopher S Frampton1, David D MacNicol, Derek R Wilson

  • 1Pharmorphix Solid State Services, A Sigma-Aldrich Company, 250 Cambridge Science Park, Milton Road, Cambridge CB4 0WE, England. chris.frampton@sial.com

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