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 R2 E 720 617 Y M451 MP 273 EP 130 logo and L001 logo and 87 APR 93 4069 LCE 150 G264 logo and 01A 50 mg RG 10 F5 90 ALLFEN M 625 336 RC GGP M L20 WATSON 3203 ALV 196 DAN 25 U-S 250 P 5 L 26 DAN 5440 KX52 30 mg L957 TMZ 92 GX CM3 logo and Pamelor 50 mg 93 7371 AZ 40 101