At what carbon position on the purine ring is the NH_2 group of adenine? | Socratic
SOLVED: Number the carbon and nitrogen atoms in purine bases Drag the correct labels onto the diagram: Reset Help H H Purine ring Submit Request Answer
Difference Between Purine and Pyrimidine - biomadam
How are the atoms numbered in purine and pyrimidine? - Quora
Chemical structures and numbering scheme of purines used in the present... | Download Scientific Diagram