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1. |
Pyridine undergoes nucleophilic substitution with excess of NaNH2 at 100℃ to give which of the following? |
A. | 3-aminopyridine |
B. | 2,6-diaminopyridine |
C. | 3,5-diaminopyridine |
D. | 2,5-diaminopyridine |
Answer» C. 3,5-diaminopyridine | |