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

Ethynylestradiol (20,21-13C2,99%) 100 µg/mL in Acetonitrile, 1,2ml

Diltiazem-d3 hydrochloride (acetoxy-d3),neat,neat,10mg

2,2',3,3',4,5',6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene