Ipronidazole-hydroxy, 100 µg/ml, Methanol, 1ml

Bis(2-ethylhexyl) phthalate-3,4,5,6-d4, 1000µg/mLin isooctane, 1ml

2-Methoxyacetophenone, 100mg

7-Hydroxy Methotrexate-d3 Ammonium Salt, 1mg