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We investigate properties of an existing class of models for Gaussian processes on the sphere that are invariant to shifts in longitude. The class is obtained by applying first-order differential operators to an isotropic process and potentially adding an independent isotropic term. For a particular choice of the operators, we derive explicit forms for the spherical harmonic representation of these...
Chloro-, cyano-, amidino- and oxazolinyl- flavans, isoflavans, and isoflavenes, synthesized by us, significantly inhibited the in vitro replication of several picornaviruses (Desideri N. et al., 1992, Antiviral Chem. Chemother. 3: 195-202). Flavones, belonging to a broad group of natural compounds, have also been found active against a wide range of picornaviruses (Y. Tsuchiya et al., 1985, Chem...
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