摘要：

Based on the examination of the crystal structure of rat TRbeta complexed with 3,5,3'-triiodo-l-thyronine (2) a novel TRbeta-selective indole derivative 6b was prepared and tested in vitro. This compound was found to be 14 times selective for TRbeta over TRalpha in binding and its beta-selectivity could be rationalized through the comparison of the X-ray crystallographic structures of 6b complexed with TRalpha and TRbeta.

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