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[2]
CLARK BAJ, 1975, CHEM IND-LONDON, P215
[3]
1H-PYRROLO 2,3-B!PYRIDINES .2. FRAGMENTATION OF SOME 1H-PYRROLO 2,3-B!PYRIDINES INDUCED BY ELECTRON IMPACT
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JOURNAL OF THE CHEMICAL SOCIETY B-PHYSICAL ORGANIC,
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