Finding suppliers for ammonium chemical reagents

Hi All,

I am finding the following two chemical reagents. Can somebody tell me any suppliers for them? Thanks a lot for all your help.

Thanks gary

Name:4-(4¡¦-cyanobiphenyl-4-oxy)undecyl ammonium (CB11M)

Molecular formula:

Name:4-(4¡¦-cyanobiphenyl-4-oxy)butyl ammonium (CB4M)

Molecular formula:

Thank you very much. Looking forward to receiving your prompt reply.

Regards

Dr. Gary Tsui

Reply to
Gary C.P. Tsui
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