1.14.17.1 5 - norepinephrine - 438603 1.14.17.1 20 - ascorbate - 438603 1.14.17.1 0.37 - hydroquinone pH: 4.9 438609 1.14.17.1 1.05 - hydroquinone pH: 5.9 438609 1.14.17.1 13 - 1-Phenyl-1-aminomethylethene - 438610 1.14.17.1 additional information - additional information - 438611 1.14.17.1 0.0009 - 1-Isoquinolinecarboxylic acid - 438612 1.14.17.1 0.0019 - 2(1H)-Pyridinone hydrazone - 438612 1.14.17.1 0.0057 - 1(2H)-Phthalazine hydrazone - 438612 1.14.17.1 0.021 - 2,2'-Bi-(1H)-imidazole - 438612