Nisoldipin

Dehydro nisoldipine  

Dehydro nisoldipine :

 

2,6-Dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylic acid 3-methyl 5-(2-methylpropyl) ester ; CAS : 103026-83-1 ;C20H22N2O6 ; M.W. 386.41.
Nisoldipine Nisoldipine :

 

1,4-Dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylic acid methyl 2-methylpropyl ester; CAS No : 63675-72-9; C20H24N2O6 ; M.W. 388.42.