Dichloromethane, 100µg/ml in MeOH, 5ml

4-Dimethylaminoantipyrine, 250mg

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

4-Methylumbelliferone, 100mg