Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Structure—activity relationship studies on our newly identified anti-HCMV compounds, the 1,6-naphthyridines led to the identification of isoquinoline-6-carboxamides as potent and selective anti-HCMV agents. ... Quinaldic acid 2 and 1,8-naphthyridine 3 were purchased from ...