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 ZYRTEC V201 STO 200 RX904 Lilly 2 ML 57 ZC 79 BCT 2 1/2 CD 861 MAXIPHEN S405 500 E3 or E6 GG 259 Z 3926 960 TV U1 982 AN249 NL 791 M 447 E300 INDERAL LA 160 G 0 S406 40 N006 PLIVA 325 PY 1 1329 BP 632 CIFEREX 227 E 47 ELG logo and 15 PA46 391 MX44 logo and 777