Multiple Choice
Histamine,a vasodilator,is responsible for a wide variety of physiological effects.Rank the three nitrogen atoms in histamine in increasing order of basicity,putting least basic nitrogen atom first. 
A) N2 < N1 < N3
B) N1 < N2 < N3
C) N3 < N1 < N2
D) N3 < N2 < N1
Correct Answer:
Verified
Correct Answer:
Verified
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