纯度 95%。告知价格和货期  提供LC-MS 核磁H谱 C谱

4-vinyl-2,3-dihydrofuran-2-carboxylic acid

C7H8O3

Exact Mass: 140.05

Mol. Wt.: 140.14

m/e: 140.05 (100.0%), 141.05 (8.0%) C, 59.99; H, 5.75; O, 34.25