Azacycloalkanes XXX. Pyrrolo [1, 2-a] pyrazines with variabl...
                                 
                                
                                 [Peresada, V. P.; Medvedev, O. S.; Likhosherstov, A. M.; Skoldinov, A. P. Pharmaceutical Chemistry Journal, 1987 , vol. 21, # 9 p. 619 - 624 Khimiko-Farmatsevticheskii Zhurnal, 1987 , vol. 21, # 9 p. 1054 - 1059]
                                
                                
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