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 23 27 RP105 M74 CDT 254 344 US 13 SZ 657 L 11 ECI PD 220 14 LCE 125 GG 771 7188 AAA 1031 5412 MCR 314 CYP 192 GG 134 M 228 K 76 54 420 IMITREX V361 54 986 M C51 CA OMP 20 TH2M NOVO 288 logo and 806 CL 84 TV 5401 PFD 267 mg G 019 5014 V 52 5 6 V 23 E 38