Number | Date | Country | Kind |
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63-252089 | Oct 1988 | JPX |
Entry |
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Prasad, Chemical Abstracts, vol. 70, entry 106447m (1969). |
Prasad, J. Med. Chem., (1969), 12(2), 290-294. |
Chemical Abstracts, 89: 215324g (1978). |
Hori et al, Heterocycles, 9 (1978), 1413-1417. |