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 MP 513 SZ 985 m B LL714 M CL2 PBT 5.0 MYLAN 1570 RIC WW 174 KPI 232 VALPROIC 250 HYD 20 M 152 5014 V IL 3583 5 9 M 142 C 100 Tiazac 360 GSK M C4 US 14 CI FENTANYL 800 H 148 TV 3 K5 214 or 215 13 33 12.5/500 L 128 44 548 475 E 5 M04 3.0 TDF CL 12.5 C8 SHIRE 381 93 319