Pill Identification by Imprints: CL28 Home Pill Identification by Imprints: CL28 2 results MEMANTINE HCL 10 MG TABLET Side 1: CL28 Color: Gray Side 2: Shape: Oblong MEMANTINE HCL 10 MG TABLET Side 1: CL28 Color: Gray Side 2: Shape: Oblong Other Popular Drug Imprint 922 CL64 CL91 APO 014 WPI 900 RPC 053 LCI 1329 OTSUKA 15 9Q3 ibr 70 mg PLIVA 470 93 7334 N 4 E 101 44 175 GM 1 WPI 1119 54 549 par 029 C 271 RI 62 CP 405 C84 ZA07 744 1 R180 B 586 or B 587 54 757 LZ 54 137 logo and S5 1000 M KEFLEX 500 mg PROCARDIA XL 90 IP 304 E 4354 E 277 66 RX904 NL 572 44 628