伐地那非杂质1
Vardenafil Impurity 1
CAS No. 1417529-67-9
C17H18N4O4 M.W. 342.36
伐地那非杂质2
Vardenafil Impurity 2
CAS No. 1417529-69-1
C23H30N6O6S M.W. 518.60
伐地那非杂质4
Vardenafil Impurity 4
CAS No. 448184-56-3
C21H26N6O7S M.W. 506.54
伐地那非杂质5
Vardenafil Impurity 5
C17H22N4O3 M.W. 330.39