Pill Identification by Imprints: C28 Home Pill Identification by Imprints: C28 2 results PIOGLITAZONE-METFORMIN 15-850 Side 1: C28 Color: White Side 2: Shape: Oblong PIOGLITAZONE-METFORMIN 15-850 Side 1: C28 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint 239 or 291 PAC20 CN 500 C5 54 922 ENL G73 E 12 EVK BP 802 RIC G 21 GX EG3 XM M 125 P40 NTBC 10 mg I 7 H108 NL 712 ZC 82 ZC18 SOMA 350 FENTANYL 75mcg/h A 2 1 E8 IP 109 M525 BRISTOL 3030 12 or 13 or 14 or 11 MYLAN ZE 40 R-264 AN 571 FEL 600 TOP SZ 469 A 17 n 573 FHI 32