Pill Identification by Imprints: MgO Home Pill Identification by Imprints: MgO 1 result MAGNESIUM OXIDE 400 MG TABLET Side 1: MgO Color: White Side 2: Shape: Round Other Popular Drug Imprint MUTUAL 274 MP 303 MYLAN 351 OP150 logo and 10 4186 G 531 USL 8 021 Tofranil-PM 125 mg TL015 G&W 0555 60 T GG 737 TL 707 NPR LE 500 C 474 BERTEK 750 130 n 358 501 15 RP 867 4833X 1326 200 M159 N 343 WW 15 ANDRODERM and logo and 2MG/DAY Durachol b 701 NL2S I 7 E 55 ZL 1 M 40 RI M L52 MOT