Pill Identification by Imprints: E658 Home Pill Identification by Imprints: E658 1 result MORPHINE SULF ER 100 MG TABLET Side 1: E658 Color: Blue Side 2: 100 Shape: Oblong Other Popular Drug Imprint L160 OP 704 G821 A44 2984 GG 580 511 51 4187 A 594 1 4 WW 458 54 527 MEL 7.5 T 50 S4 logo and 038 E73 RESPA 177 E71 3 0 GXL 2.5 M 1 RX121 G12 H 502 Theo-24 400 mg AP211 Z46 CL 76 256 Vivotif MP 511 Nitroglycerin 0.2 mg/hr NT or EP M MN2 ZC 01 Andrx 699 4740 E42