Ethyl acetate, 10mg/mL in water, 1ml

Methyl-cis-4,7,10,13,16,19-Docosahexaenoate C22:6, 10.0mg/mL in Heptane, 1ml

Citric acid [3% wt]

1-(3,4-Dichlorophenyl)-3-methylurea, 100 µg/ml, A