Pill Identification by Imprints: MYSOLINE 50 Home Pill Identification by Imprints: MYSOLINE 50 1 result PRIMIDONE 50 MG TABLET Side 1: MYSOLINE 50 Color: White Side 2: M Shape: Square Other Popular Drug Imprint Phillips UPSHER-SMITH GG 63 KU 261 logo and 64 SV NL4S WAR 10 BI 4 HP 46 B056 ZC45 P212 NL 2063 V PLIVA 456 POLY 783 466 M74 4940 M53 SZ 183 C 25 F19 25 E 213 AN 522 Tedor 255 ANDRX 605 N L RCC GPE GSI C 35 IMITREX 100 A1 GG 518 logo and 5312 51 30 54 775 PAL 3 logo and 84