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Sildenafil citrate CAS : 1715 SERSTEON Record Sales and Profit FIRST QUARTER REPORT , 1 January – 31 March 2021 Serstech Group First quarter 2021 Net sales : KSEK 11 459 ( 6 012 ) + 91 % Profit for the period : KSEK 3 024 ( -3 206 ) Earnings per share SEK 0.04 ( -0.05 ) SERSTECH POLIS Si View spect Labelation X