Compounds of formula (I), and their use as in the treatment of infections involving viruses of the Pneumovirinae sub-family (RSV) are disclosed. In the formula ring (A) may be phenyl, pyridyl etc., (B-C) may be CH
2
—CH
2
etc., (R
1
) may be phenyl and substituted forms thereof, (R
2
) may be assorted substituents.
本发明涉及化合物(I)的公式及其在治疗涉及Pneumovirinae亚科病毒(RSV)感染方面的用途。在该公式中,环(A)可以是
苯基、
吡啶基等,(B-C)可以是
CH2- 等,(R1)可以是
苯基及其取代形式,(R2)可以是各种取代基。