Pill Identification by Imprints: O63 Home Pill Identification by Imprints: O63 1 result MEMANTINE HCL ER 21 MG CAPSULE Side 1: LU Color: White Side 2: O63 Shape: Oblong Other Popular Drug Imprint MT2 logo and KT H 149 L204 AA 15 E 615 93/7440 54 135 L171 584 ZYNOVA 01 MYLAN 2047 4825 E3 or E6 GS MZ1 ZA-43 NPS 275 C324 500 M 52 ZA47 0200 GG 337 GG 124 logo and 103 UPSHER-SMITH 0084 GDC 103 ML 4 GG 263 IP 115 CM4 4941 ALVA b1009 Z I 22 RG ZOMIG 5 G 24 GG 58 R-262