Pill Identification by Imprints: O64 Home Pill Identification by Imprints: O64 3 results MEMANTINE HCL ER 28 MG CAPSULE Side 1: LU Color: Dark Green Side 2: O64 Shape: Oblong MEMANTINE HCL ER 28 MG CAPSULE Side 1: LU Color: Dark Green Side 2: O64 Shape: Oblong MEMANTINE HCL ER 28 MG CAPSULE Side 1: LU Color: Dark Green Side 2: O64 Shape: Oblong Other Popular Drug Imprint URETRON D/S ZC43 GX EF3 MO1 AN 545 CTI 102 ED 400 AC 42 RDY608 652 TCL333 CL9 346 CL 77 93 175 2064 V L 64 logo and A1 230 MSD 275 86 L 8 GG 490 128 logo and S12 1000 M L441 OP100 I86 V265 MYLAN 2537 G455 CALAN par 009 IP 466 277 P24HR 92 670 5684 C3 or P