A cell-permeable PKC inhibitor (IC50s = 2.45 and 25.7 μM for PKC and PKA, respectively); reduces focus formation in gangciclovir-sensitive and -resistant human cytomegalovirus (HCMV) strains with IC50s of 0.32 and 0.17 μM for HCMV A6245 and HCMV-6, respectively; inhibits the non-kinase enzymes β-lactamase, chymotrypsin, and malate dehydrogenase with IC50s of 8, 10, and 8 μM