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 M 137 MYLAN 6750 462 APO T150 151 SANDOZ 573 A X 8 SZ 986 3432 773 AZ 010 M33 Phillips' 44 679 42 10 35mg P113 NORVASC 5 TV 2 1/2 logo and Pamelor 10 mg 31 62 TY325 V222 837 PROVERA 2.5 F 8 R179 TCR SB 4140 U38 R 20 2632 54 544 SCI 500 LB2 E 173 E61 L468 4740 M 753