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 69 1 2 U-S 40 Tofranil-PM 75 mg 54 960 P 400 V241 MYLAN DX 150 L962 WC 731 M Z1 L3 MYLAN 6380 L751 NORCO 539 EN1 GX CM3 MYLAN DE 20 I 10 367 AT 262 S253 US 5 54 879 G32 logo and 511 WELLBUTRIN 100 ibr 140mg dp 1 83 PAN 5 54 341 L357 54 025 37 98 logo and NR 2084 V 5/325 54 533 CL50