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 LAN 1231 PY 2 E 2 barr 323 F200 GX CL5 EVOXAC M L20 Centrix 133 P 1 93 711 L16 GG N4 54 085 033 MP 773 ML 22 UPSHER-SMITH 0225 44 453 2L logo and 012 CYP 179 PAD 0107 logo and S5 1000 M VP 044 S G W122 Z320 20 mg TL515 CTI 112 524 705 M MC2 E1 or E2 SI 1112 E 615 n 575 IP 140 SA 50