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 A 43 logo and 661 B 586 or B 587 PLIVA 324 L734 260 O 250 or O-M Neurontin 300 mg L171 CDT 254 CI TL521 T33 WC 404 S 900 7.5 mg H119 ZC57 ANI AA 13 SANDOZ 572 N 60 LOTENSIN ML 71 MP 474 NOVEN 953 IP 110 ACTIQ 400 BARRIER C 5 UPSHER-SMITH 0101 GG L7 e5 111 L977 54 108 F 72 JSP 544 logo and 640 M GP5