The instant invention is new compounds of formula (I), wherein R is -CN, -(CH2)0-1-NR R , -O-(CH2)1-10-Z wherein Z is -NR R , OR , or CO2R , -OC(=O)R , -SR , -SCN, -S(CH2)1-10Z, -S(O)1-2R wherein R is hydroxy, alkoxy, alkyl, (CH2)1-10Z or NR R , -C(=O)XR , -CH2-R wherein R is (CH2)0-5-Y-(CH2)0-5Z, or alkyl with from 1-3 double bonds, which alkyl is optionally substituted by one or more selected from -CN, NO2, halogen, OR , NR R , and CO2R ; their use as cerebrovascular agents in diseases such as stroke, peripheral vascular disease, restenosis, and as agents for regulating plasma cholesterol concentrations, for treating hypercholesterolemia and atherosclerosis, and for lowering the serum or plasma level of Lp(a). A pharmaceutical composition is also claimed.