Upadhyay A, Singh R. An Efficient One Pot Four-Component Synthesis of Spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] Derivatives via Electrochemical Approach. ajc [Internet]. 2021 Jun. 26 [cited 2024 Nov. 23];33(7):1685-91. Available from: https://asianpubs.org/index.php/ajchem/article/view/33_7_31