Gabapentin-d4

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

2-(Trifluormethyl)-benzamide, 100µg/ml in AL, 5ml

D5-Metamitron, 10.0 µg/ml, Acetonitrile, 1ml