Crystal violet contamination of methyl green and purification of methyl green--a historical note.
D004340:Drug Contamination; D005840:Gentian Violet; D008739:Methyl Green; D012394:Rosaniline Dyes
D012394:Rosaniline Dyes; D008739:Methyl Green; D005840:Gentian Violet
ROSANILINE DYES