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 54 273 796 OXC 150 93 28 S 521 UCB 750XR T539 G 0029 396 logo and 2907 OP 706 MYLAN 6900 Z 3925 WW 458 A23 B198 X08 MYLAN 5427 AV1 BP 814 EV0093 AS+ SC Theo-24 300 mg ibr 70 mg GG 507 GG 18 IDT M100 75 mg X 10 643 E 138 ZC43 A 6 CD D2/850 logo and 4443 logo and 1000-20 logo and 577 RSV 5 MYLAN 6896