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 91 U39 LL714 VIBRA 31 62 93 5200 LK100 136 A-10 mg C C 54 421 PFIZER 396 ALEVE USB 001 logo and 404 REBETOL dp logo and 199 ENA RDY609 GG 336 GS FFS 75 7365 MYLAN ZE 40 K 18 159 ZC 07 PD 270 MOT S191 L059 93 1060 1462 L212 MSD 735 Q21 T9 0.2 IMITREX 100 SG 176 J62