Pyrrole studies. Part 32. A novel ring-cleavage reaction of the pyridazine ring during the reaction of 6H-pyrrolo[3,4-d]pyridazines with dimethyl acetylenedicarboxylate
1985 ◽
pp. 899
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2000 ◽
pp. 3603-3609
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2000 ◽
Vol 58
(7)
◽
pp. 642-653
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1958 ◽
Vol 79
(11)
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pp. 1447-1450
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2002 ◽
Vol 67
(20)
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pp. 7080-7090
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