3-(3,4,8,9-tetrahydro-6-methoxy-3,3,8,8-tetramethylfuro[2,3-h]isoquinolin-1-yl)benzoic acid hydrochloride 、
4-(2-氨乙基)苯磺酰胺 以85%的产率得到N-[2-[4-(Aminosulfonyl)phenyl]ethyl]-3-(3,4,8,9-tetrahydro-6-methoxy-3,3,8,8-tetramethylfuro[2,3-h]isoquinolin-1-yl)benzamide