This application is a continuation-in-part of application Ser .No. 06/878,811 filed June 26, 1989, in the names of the same inventors now abandoned.
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Zimmer, et al, Condensation of 2,4(3H,5H) Furandiones with Heteroaromatic Aldehydes, Journal of Heterocyclic Chemistry, vol. 20, p. 787 (May-Jun., 1983). |
Number | Date | Country | |
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Parent | 878811 | Jun 1986 |