0 B6R0.3 [13CH3]C(=O)C(=O)O[Na] HY-W015913S3 [1,0,0,0,1,0|1,0,0]=3 1 B6R0.3 [13CH3][13C](=O)[13C](=O)O[Na] HY-W015913S [1,0,0,0,1,0|1,0,0]=3