ChemInform Abstract: Derivatives of New Heteroaromatic System - 11-Thia-4b,6,10,12-tetraazaindeno[2,1-a]fluorene (III)
1997 ◽
Vol 33
(6)
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pp. 752-753
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1974 ◽
Vol 63
(2)
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pp. 213-219
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1974 ◽
Vol 63
(2)
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pp. 159-165
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