Keywords: Hydroquinone 200.svg validSVG Structure of hydroquinone Struktur von Hydrochinon Own 2014-04-21 Emeldir <span class signature-talk >talk</span> Chemical structure verified https //upload wikimedia org/wikipedia/commons/1/1d/Hydroquinone_200 svg 1S/C6H6O2/c7-5-1-2-6 8 4-3-5/h1-4 7-8H QIGBRXMKCJKVMJ-UHFFFAOYSA-N 123-31-9 204-617-8 PD-chem Hydroquinone |