海量图书期刊资源，随时随地畅享阅读乐趣
Novel Method for the Synthesis of Some Biologically Active Aminocoumarins.U. C. Mashelkar; A. A. Audi · 2005
Synthesis of Some Novel 4-Substituted Coumarins Having Potential Biological Activity. Part 3.U. C. Mashelkar; A. A. Audi · 2006