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 2.5/325 N 40 401 IDT M15 N030 CL92 Kaopectate MOTRIN PM XR 50 A30 IP 46 799 P 450 MP 81 M 132 F 84 CF UT 0.125 SEARLE 1001 W961 54 733 AN 1 316 or 317 ALEVE COLD&SINUS PD 158 MP 8 125 AR 788 WATSON 345 M 261 46 P620 CTI 143 44 112 W121 CZ 100 logo and 667 M RE2 L201 G 1