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(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 19:49, 1 February 2019 Diachrynic (Talk | contribs) uploaded File:Phthalic anhydride.JPG (Phthalic anhydride obtained by sublimation, cotton-candy like, fluffy crystals.)
- 19:46, 1 February 2019 Diachrynic (Talk | contribs) uploaded File:Phthalic acid.JPG (Recrystallized phthalic acid extracted from viny gloves.)