L-PFOSK with branched isomers, 50µg/ml in MeOH, 1,2ml

3,3',4,5'-Tetrabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2-Nonanone

2-Anilino-6-(dibutylamino)-3-methylfluoran, >99%, 100mg