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 HP 47 MYLAN 2002 F7 T535 54 986 YS 01 u50 C 284 RDY610 RX 505 V241 logo and 182 b 971 44 157 UCY 500 M T12 ZE 72 L190 WATSON 404 logo 751 HYD 60 ZVR 100 logo and 067 C 746 54 716 I 22 753 WATSON 235 H 012 93 7300 PROVERA 2.5 logo and ZF AX7 377 GG 336 V04 AC 133 L 217 LILLY 4115 MCR 104