13C18-Triphenyl phosphate, 1.2ml x 50ug/ml, toluene

1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

3,3'-Iminobis(N,N-dimethylpropylamine)

Dapsone