Intermediates of quinapril hydrochloride
a, benzyl-(3s)-1,2,3,4-tetrahydroisoquinoline-3-carboxylate ptsa salt
b, quinapril benzyl ester
a, benzyl-(3s)-1,2,3,4-tetrahydroisoquinoline-3-carboxylate ptsa salt
b, quinapril benzyl ester
Main Products
antihypertensive ingredients and intermediates