[On a color reaction of secondary amines by the formation of o-quinones].
D000588:Amines / Q000737:chemistry*; D016227:Benzoquinones; D011809:Quinones / Q000737:chemistry*
D000588:Amines; D016227:Benzoquinones; D011809:Quinones; C025225:2-benzoquinone
AMINES/chemistry; QUINONES/chemistry