N-[2-(3,4-Diethoxy-phenyl)-ethyl]-2-(5-pentyl-[1,2,4]oxadiazol-3-yl)-acetamide
2-[5-(4-Benzyloxy-phenyl)-[1,2,4]oxadiazol-3-yl]-N-[2-(3,4-diethoxy-phenyl)-ethyl]-acetamide
4-(3,4-Dimethoxy-benzyl)-9,10-diethoxy-6,7-dihydro-pyrimido[6,1-a]isoquinolin-2-ylideneamine; hydrochloride
9,10-Diethoxy-4-(4-methoxy-phenyl)-6,7-dihydro-pyrimido[6,1-a]isoquinolin-2-ylideneamine; hydrochloride
4-(9,10-Diethoxy-2-imino-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-4-yl)-phenol; hydrochloride