Pill Identification by Imprints: C 91 Home Pill Identification by Imprints: C 91 2 results RIVASTIGMINE 1.5 MG CAPSULE Side 1: C 91 Color: Yellow Side 2: Shape: Oblong RIVASTIGMINE 1.5 MG CAPSULE Side 1: C 91 Color: Yellow Side 2: Shape: Oblong Other Popular Drug Imprint VALPROIC 250 APO 021 VASO 2.5 CL 38 200 354 ZC18 FS e5 112 FP 7.5/1000 PT N008 I 49 3125 1490 AMGEN A3 or P logo and 660 1/8 8 08 L428 M T1 BMS 100 CL 6 34 L 22 AN 627 MYLAN 1101 MYLAN 6750 logo and 2577 L477 54 795 7188 WPI 1119 54 814 54 794 ZF 14 U13 Z48 Y02