Antiviral and antitumor compositions are disclosed comprising a mixture of AZT, ribavirin, d4T or CS-87 with a compound of general formula: ##STR1## wherein Z is H, OH or NH.sub.2, Y is CH, and X is selected from the group consisting of H, N(R).sub.2, SR, OR or halogen, wherein R is H, lower(C.sub.1 -C.sub.4)alkyl, aryl or mixtures thereof, and the pharmaceutically-acceptable derivatives thereof.
抗病毒和抗肿瘤组合物揭示了包括AZT、
利巴韦林、d4T或CS-87与一般式化合物的混合物:其中Z为H、OH或NH2,Y为CH,X从H、N(R)2、SR、OR或卤素组成的群中选择,其中R为H、较低的(C1-C4)烷基、芳基或它们的混合物,以及其药用可接受的衍
生物。