Synthesis, in vitro binding profile, and central nervous system penetrability of the highly potent 5-HT3 receptor antagonist [3H]-4-(2-methoxyphenyl)-2-[4(5)-methyl-5(4)-imidazolylmethyl]thiazol e
4-(2-Methoxyphenyl)-2-[4(5)-methyl-5(4)-imidazolylmethyl]thiazole (5) is a highly potent member of a structurally novel series of selective serotonin-3 receptor antagonists. The synthesis of tritriated 5 and its binding profile in neuroblastoma-glioma 108