2,4-DB methyl ester

Ritodrine hydrochloride, 250mg

1,2,3,4-Tetrachloro[13C12]dibenzofuran (97.5%), 1.2ml x 48.75ug/ml, toluene

2,4-D (13C6, 99%) 100µg/mL in Acetonitrile, 1,2ml