Shanghai Aonan chemical technology co.,ltd. is a chemical company that manufactures and provides our clients and partners with cataloged pharmaceutical intermediates, building blocks and fine chemicals, custom synthesis and contract research services, process development and optimization Our catalog contains featured products including derivatives of furan, tetrahydrofuran, oxadiazole, oxazole, piperazine, pyrazine, pyridazine, quinazoline, quinoxaline, triazole, tetrazole, thiazole, thiadi...