(9R,10S)-9,10-Dihydro-9-hydroxy-10-methoxy-8,8-dimethyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. (Dioxygen)bis(triphenylphosphine)platinumはまた、私たちに提供されます。 We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international m ...