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 L430 A100 FENTANYL 100mcg/hr 93 3195 A CH logo and 5034 logo and 3062 L 299 G 422 M 0 5 NPS 275 1020 M A12 CARDIZEM 54 511 UL DAN 10 G 322 25 222 AN 475 AZ 267 T 278 RC17 logo and A4 93 3123 M 155 EM 10 2063 V APO T150 APO logo and 15 or 20 CM1 COZAAR W 29 C 15 M 42 WAR 6 PREMARIN 0.45 212 212 664