?SYNTHESIS AND REACTIONS OF L-ASCORBIC ACID ANALOG 4’ (4-ETHOX y- CARBONYL-S-METHYLFURAN-2-YL) -2,3-DIOXOBUTYRO-i, .:I-LACTONE . Pakistan Journal of Scientific & Industrial Research. 2022;37(6-7):221-226. Accessed March 10, 2026. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/2670