17 alpha(H),21ß(H)-Hopane, 100µg/mL in Isooctane, 1ml

4-Isobutylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38861-88-0

Sulfadimethoxine, 100 µg/ml, Methanol, 1ml

Isopropyl Hydrogen Methylphosphonate, 500mg