There are a number of patents I have kicking around. I'd be willing to put money into synthing them, but the precursors are hard to find or make.
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US6291499
October 25, 2000
2-Cyclohexyl Benzimidazole NMDA/NR2B Antagonists
Abstract
Novel 4-substituted cyclohexanes substituted in the 1-position with 2-benzimidazoles, 2-imidazopyridines, or 4-imidazoles either directly or through a C.sub.1 -C.sub.4 alkyl, cycloalkyl, hydroxyalkyl, alkoxy or aminoalkyl chain are effective as NMDA NR2B antagonists useful for relieving pain.
U.S. Patent References:
4213994
4695575
4820757
5306723
5436255
5714498
5817756
5889019
4902695
4968678
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Method of manufacture of basic ethers
(stated to have antihistaminic, spasmolytic and anaesthetic properties.)
Patent Number: GB686004
Publication date: 1953-01-14
Applicant: Spofa Spojene Farmaceuticke Zd
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Very frustrating, but...Actually, there is no bright side to that situation. Fuck it, there are plenty of other drugs.
Love my country, fear my government.