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 TL 385 S 434 T 278 44 logo and HF DYRENIUM 50 mg B134 G1 1V125 DD or DJ or DH or DN or DT 454 WC 731 AMOX 500 K1 S405 1000 PP D 88 TN 4 SD 12 G12 V361 A 51 RX 505 WATSON 460 M 312 44-411 35 35 logo and 040 VP030 TL508 L 105 logo and 50 C83 MLX 123 C280 VP 044 G 322 606 5 M E16