DNPH-Formaldehyde; DNPH-Acetaldehyde; DNPH-Acetone;
DNPH-Acrolein; DNPH-Propionaldehyde; DNPH-Crotonaldehyde;
DNPH-2-Butanone; DNPH-Methacrolein; DNPH-Butylaldehyde;
DNPH-Benzaldehyde; DNPH-Cyclohexanone; DNPH-Valeraldehyde; DNPH-p-Tolualdehyde; DNPH-Hexaldehyde