英文名称
1-[2-[2-[2-[[3-(6,8-dichloro-2,2-dimethyl-3,4-dihydro-1H-isoquinolin-2-ium-4-yl)phenyl]sulfonylamino]ethoxy]ethoxy]ethyl]-3-[4-[2-[2-[2-[[3-(6,8-dichloro-2,2-dimethyl-3,4-dihydro-1H-isoquinolin-2-ium-4-yl)phenyl]sulfonylamino]ethoxy]ethoxy]ethylcarbamoylamino]butyl]urea