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 C 22 C 25 L 202 7037 G41 logo and 01A CL 44 54 974 1077 0500 54 122 TSL 0.4 ZF 23 4941 ROBAXIN 750 WATSON 347 DYRENIUM 50 mg 2104 V 812 KU 260 MP 79 RP115 V251 NP NAT 375 Nitro-Dur 0.6 mg/hr WW 112 C56 L011 35 78 L122 WATSON 488 314 N192 53 logo and 324 SA 50 CL 23 M 29 K8