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 CP 401 M EN3 U24 MYLAN 6440 M 58 RX 505 Z 13 G 372 2 SEA RLE 10 41 XANAX 1.0 E 56 60 99 PD 158 GILEAD NTBC 5 mg WC 402 54 956 AP043 36 G650 G 8 WATSON 892 or WATSON P S3 or P P F K 66 GXL 10 MYLAN 2002 MX31 M162 SG 326 44-503 2230 K 29 ZC17 A5 or A6 FDX 2631 logo and 3059 MONODOX 75 44 194