96% 告知价格和货期  提供LC-MS 核磁

4,5-dihydroxy-[2,2′-bipyridine]-6-carboxylic acid
Chemical Formula: C11H8N2O4
Molecular Weight: 232.1950
m/z: 232.0484 (100.0%), 233.0518 (11.9%)
Elemental Analysis: C, 56.90; H, 3.47; N, 12.06; O, 27.56