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 Andrx 698 I 53 logo and 2781 Y+ or M+ CTI 121 K 70 1204 Prenate Chew GG851 Z 3927 VH3 MP 35 MYLAN 8030 VGC E 707 1009 USB 001 605 ZESTRIL 40 10 or 20 or 40 G 55 GG 296 AA 13 T580 logo and 0 3 9 L7 MYLAN 147 WATSON 3208 CP108 AZ 267 I4 M 447 94 852 S429 500 mg NXT R 128 CL7 35 35 VIP102