Question
Pharmacognosy Question on Alkaloids
Acridine and xanthene rings are related to each other in that...........
A
Xanthene is oxygen isoster of acridine
B
Acridine is oxygen isoster of xanthene
C
Xanthene is nitrogen isoster of aciridin
D
Xanthene is sulfur isoster os acridine
Answer
Xanthene is oxygen isoster of acridine
Explanation
Solution
The correct option is (A): Xanthene is oxygen isoster of acridine