4,4'-Methoxychlor olefin

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

1-Naphthol-4-sulfonic acid, 10mg

Famotidine,neat,neat,100mg,