ALPHA-KETOBUTYRIC ACID, SODIUM SALT (METHYL-13C, 99…

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (DIMETHYL-13…

URACIL (4,5-13C2, 99%)…

GUANOSINE:H2O (RIBOSE-1-13C, 98%)…

GUANOSINE:H2O (RIBOSE-1-13C, 98%)…

D-SUCROSE (13C12, 98%)…

GLYCOLIC ACID, SODIUM SALT (1,2-13C2, 99%)…

GFL PEPTIDE STANDARD (13C, 98%+; 15N, 96-99%) 1 mM …

FAPYADENINE (FORMYL-13C, 98%;DIAMINO-15N2, 98%)…

DL-SERINE (13C3, 98%; 15N, 98%)…