Occurrence of nitropyrogallol disulphate in preparations of nitrocatechol sulphate.
D002396:Catechols; D007477:Ions; D009574:Nitro Compounds; D013431:Sulfates
D002396:Catechols; D007477:Ions; D009574:Nitro Compounds; D013431:Sulfates; C506350:nitrocatechol
SULFATES