Demeton-S-methyl-sulfone, 100 µg/ml, Toluene, 1m

N-(4-chloro[13C6]phenyl)-N'-(3,4-dichloro[13C6]phenyl)[13C]urea , 1.2ml x 50ug/ml, methanol

Oxyphenbutazone monohydrate, 50mg

Tolcide 2230 (90%), 100mg