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 214 E4 LAN 1282 E 53 G 172 CN 1 E 263 244 160 mg N021 IP 140 IP 179 I 22 WAR 7 1/2 3125 RIFADIN 150 424 MYLAN 531 logo and S5 1000 M ALAVEN UT 5 152 E 22 R P 230 L191 ML 041 54 466 954 West-ward 445 GDC MP 84 8118 S 370 A-010 20 VRX AC 358 TL019 logo and 335 M 60