Pill Identification by Imprints: E51 Home Pill Identification by Imprints: E51 1 result MEPERIDINE 100 MG TABLET Side 1: E51 Color: White Side 2: Shape: Round Other Popular Drug Imprint PRE 01 C371 logo 631 2985 CPC 2369 logo and 4346 MP 85 ANI 173 WW 458 ED 400 MYLAN FE 134 T2 200 MYSOLINE 50 P58 M 138 44 194 logo and 49 2.5 0891 RP 867 MP 772 TML 0.4 177 NC 300 MYLAN 6440 G821 M 35 ALTACE 10 mg L13 BZT BEACH 2 0 LANNETT M 36 M 313 A20 475 C73 R718 Y 16