| 摘要 |
<p>Compounds of formula (I), radiolabelled compounds or pharmaceutically acceptable salts thereof where X- is a suitable counter ion; R¿1? is H; alkyl, alkenyl, alkynyl, phenyl or phenylalkyl each optionally substituted; R2 is one or more selected from hydrogen, halogen, radioactive isotopes of halogen, OR, CN, CF3, NO2, COOR, NRR', SR, COR, CONRR', SO3R, SO2NRR', SOR and SO2R where R and R' are independently selected from H, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted phenyl or optionally substituted phenylalkyl; wherein the optional substituents are one or more selected from alkyl, alkenyl, alkynyl, phenyl, halogen, radioactive isotopes of halogen, OR, CN, CF3, NO2, COOR, NRR', SR, COR, CONRR', SO3R, SO2NRR', SOR and SO2R where R and R' are as defined above suitable for imaging muscarinic receptors of the heart.</p> |
