Pill Identification by Imprints: S551 Home Pill Identification by Imprints: S551 2 results OLMESARTAN-HYDROCHLOROTHIAZIDE 20-12.5 MG TAB Side 1: S551 Color: Pink Side 2: Shape: Round OLMESARTAN-HYDROCHLOROTHIAZIDE 20-12.5 MG TAB Side 1: S551 Color: Pink Side 2: Shape: Round Other Popular Drug Imprint 835 54 942 MERICON logo CTI 222 VH3 EX IX TA2M TEMODAR OB01 D12 13 33 111 M77 93 7385 logo and PCE PAXIL 1 2 MYLAN 5150 A536 54 017 250 MG B 576 T535 cor 255 AZ 011 MP 475 467 logo and 4404 499 M04 3.0 PAD 0180 CB P50 1453 E 39 A87 PD 156 L114 ZC 68