Synthesis and Characterization of New Mannich Bases Derived from 7-hydroxy-4-methyl Coumarin. Baghdad Sci.J [Internet]. 2016 Jun. 5 [cited 2024 Nov. 24];13(2.2NCC):0235. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2769