5-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-isoquinoline hydrochloride 、
丙烯酸乙酯 以to obtain the title compound (190 mg, 82%)的产率得到3-{5-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}propanoic acid ethyl ester