Pill Identification by Imprints: MT3 Home Pill Identification by Imprints: MT3 1 result TRAMADOL HCL ER 300 MG TABLET Side 1: MT3 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint MYLAN 6898 MX 15 BPI 192 B 546 L5 SANDOZ 572 LH2 E3 or E6 RB97 203 PROCARDIA XL 60 626 1070 T 277 U7 or U13 GX CJ7 F11 MYLAN 183 M136 Advil PM FENTANYL 400 MF 1 M 572 538 742 PA 915 14/10 ML 67 A5 or A6 L-2 I 4 Andrx 700 K 77 M 407 750 MG M1000 48 10 P0.5 DMQ 20-10 logo and 6451