Bisphenol S-d8 (2,2',3,3',5,5',6,6'-d8), 10mg

2-Amino-4-methoxy-6-methyl-1,3,5-triazine, 100 μg/ml, Acetonitrile, 5ml

2,5-Dimethylbenzaldehyde-DNPH, 100µg/ml in AcN, 1ml

Ethylene thiourea, 250mg