Pill Identification by Imprints: GH 3 Home Pill Identification by Imprints: GH 3 1 result GUANFACINE HCL ER 3 MG TABLET Side 1: M Color: Light Green Side 2: GH 3 Shape: Round Other Popular Drug Imprint 212 212 FENTANYL 50mcg/hr 229 L344 318 M378 A02 ACN 4 U-S 41 PC20 PV40 WATSON 235 644 ACTIQ 600 DF WW 174 S 429 LASER 360 4994 EMBEDA BP 608 S251 ap and logo 550 C1 or C2 or C3 MP 446 H7.5 325 logo and 667 C316 E 12 BMS 140 LH2 C371 U42 H 145 HP 70 e5 112 ONE A DAY and logo 93 5528 RP160 C152