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 G 24 447 1313 AT131 ZYRTEC XANAX 0.25 B 301 54 233 E 18 DAN 5561 R575 ANAFRANIL 75 mg 140 OXYTROL 3.9 mg/day L068 K-TAB L76 RESTORIL 7.5 mg RESTORIL 7.5 mg MYLAN 5010 AA 16 A92 34 G52 M MN1 MP 79 H 94 R 2.5 MYLAN 551 CL17 MYLAN 5150 011 393 par 290 M B3 U-S 1 TL574 277 MERRELL 37 C162 500/20