Selenious acid
Lithium-2-butanide, s-BuLi
Carbonic acid dirubidium, Dirubidium carboxide
p-Toluenesulfonic acid pyridine salt, PPTS, Pyridine p-toluenesulfonate
Trimethylsilanol potassium salt
Potassium (2-methyl-2-butoxide), Potassium tert-pentylate
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