This route is certificated to be feasible in the test, which is also an important method of the synthesis of 3 - (3-quinolyl) -2-propenyl-1-tert-butyl carbonate.
An observational study on clinical effectiveness of tetrandrine (TD) combined with quinolyl piperazine hydroxy1 phosphate (QPHP) on 225 cases of silicosis was conducted.