Ashok D, Madhuri E, Sarasija M. Green Synthesis of Spiropyranone 3-Aryl-4-Methylcoumarin Derivatives using Carbonyldiimidazole. ajc [Internet]. 2019 Sep. 18 [cited 2026 Jun. 24];32(1):205-8. Available from: https://asianpubs.org/index.php/ajchem/article/view/36560