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 RP 145 429 N 947 ZA-09 93/12 logo and 143 Nitro-Dur 0.1 mg/hr Z10 1335 C 35 597 93 757 T569 or B6 D 35 U 128 WC 400mg 138 E226 L236 37.5 25 P-Fe GG 451 EP 121 logo and NT OP 703 R 100 BMS 150mg CL 6 35 79 E 215 ZC 25 F or FL 54 163 L42 IX SL 125 HALCION 0.25 GDC 134 3QD RIC or FV