Pill Identification by Imprints: C4 Home Pill Identification by Imprints: C4 4 results AMLODIPINE-OLMESARTAN 10-40 MG Side 1: C4 Color: Brown Side 2: Shape: Round AMLODIPINE-OLMESARTAN 10-40 MG Side 1: C4 Color: Brown Side 2: Shape: Round CELECOXIB 50 MG CAPSULE Side 1: C4 Color: White Side 2: 50mg Shape: Oblong VALSARTAN 160 MG TABLET Side 1: C4 Color: Yellow Side 2: C Shape: Oval Other Popular Drug Imprint AA 79 9 3 376 MYLAN 6725 UT 2.5 logo and 4364 K 18 GG 330 LT 44-526 M PD1 ZOMIG 2.5 A257 B 566 USL 10 MYLAN 4430 CLOM 75 AN 757 Lofibra 200 mg 231 and logo GG 225 CL 23 TCL 081 W28 FEL 600 I-2 CORTEF 20 FAM125 751 ZANTAC 150 K 66 0.45/20 IP 253 logo and 144 OMP 20 606 4827 RU20 FAM500 ULTRAM