cinchona造句怎么写

Quinine and other related cinchona alkaloids were chosen for the separation of some tart enantiomers of phenylalanine, aromatic acids and other acids.

An alkaloid, C19H22N2O, derived from the bark of various cinchona trees and used as an antimalarial agent.

Half the trunk was filled with Western medicine, including yatron, cinchona, sulfate of quinine, and formamint, all in their original ing had been left out.