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 60 98 A87 WPI 845 barr 400 mg S10 300 ER S 4 N2 M C51 HLP 80 L612 E19 logo and 502 OTSUKA 45 mg or 15 mg Cedax E 146 G500 IP188 5.7 P 240 MP 9 N T4 cor 131 b 98 P-Fe MYLAN 5420 PC18 PREMPRO 300 mg 209 or 274 S 660 920 N 11 ZF 25 LAMISIL E 102 logo and 241 logo and 150 LZ BUTISOL SODIUM