Pill Identification by Imprints: GH 4 Home Pill Identification by Imprints: GH 4 1 result GUANFACINE HCL ER 4 MG TABLET Side 1: M Color: Green Side 2: GH 4 Shape: Round Other Popular Drug Imprint G-DS-75 S903 231 180 mg N2 F 77 CYP 910 M 18 H 604 A/C 40/12.5 L340 ALTACE 1.25 mg I 53 A33 VIVUS RE 76 GG 505 logo and 1002 IP 271 G 4910 RI3 N006 C148 54 162 I112 0382 20 mg LOTREL 2265 L187 STO 150 1 1 logo and 2578 MYLAN 2046 KU 181 VIP 105 AC 357 3973 500/20 #L 001 607 A Z