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 logo and S12 1000 M 93/7441 MYLAN DE 20 A272 57 55 M211 EL501 DAN 5 G 5007 HP 145 NL 571 PT logo and 040 MYLAN 182 B 01 C 54 R-263 EP 906 GG 257 P-D 916 or 624 BI 8 CTN ZD 13 V267 logo and 121 logo YE A973 GSI FL 60 IP 203 A my cor 188 C55 VP 022 AK 160 Renvela 800 ND1 SZ 201 ZA06 US 67