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 320 WW 64 506 132 RD 12 HP 70 C 283 IDT M15 C 89 CLR 50 36 Takeda VASO 10 MP 30 PROCARDIA XL 90 WATSON 3209 CTI 116 M U12 IP33 510 CTI 224 logo and 2666 MPC 600 ZC 68 logo and 750-20 logo and 3062 G 421 7152 G-X PhosLo logo and 050 NL 2 L403 E 101 1252 93 7436 AN35 PV40 PLIVA 328 GPI A5