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 CN 90 E 263 TV 3 FPI TCL 370 SZ 249 AK Advil PM RIFADIN 300 LZD IP 8 K75 68 85 35 84 ALG 265 RI19 BP 706 logo and 511 logo and 160 GG 771 XANAX 1.0 Nitroglycerin 0.4 mg/hr 500 500 58 75 617 W 922 O T583 A F2 L272 285 TN 2 logo and 510 V223 93 2264 E701 22.5 mg E613 RESPA 177 M S23