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 DAN 5440 FL 7/10 H 145 E 136 SA 50 Z or M LILLY 4117 Black B 749 NEXIUM 40mg 467 logo YE 570 M 27 981 MYLAN 1560 PAR 868 A-263 Benadryl Pfizer M MN1 GG 227 NL 570 M 63 E 18 I85 93 7385 1207 27 AA 820 TA2M APO 134 A029 NP 5 44 326 CYP 196 TL 121 Z18 P 657 AN 757 ATN 100