durapam

durāpām very difficult to achieve; SB 3.1.31
durāpam although it is very difficult to obtain; SB 4.9.19
durāpam difficult to obtain; SB 4.23.27
durāpam difficult to obtain; SB 6.9.48
durāpam difficult to achieve; SB 10.16.38
durāpam impossible to attain; SB 10.40.28
durāpam difficult to obtain; SB 10.44.14
durāpam unattainable; SB 10.51.1-6
durāpam difficult to attain; SB 10.82.39
durāpam difficult to obtain; CC Adi 4.153
durāpam difficult to obtain; CC Adi 4.156
durāpam difficult to obtain; CC Madhya 21.112