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 HP 227 b 214 1159 54 194 logo and 103 b1010 G 019 ASC 116 PAD 0193 397 logo and 2909 C53 ML 64 ZA-36 555 C 2 MO1 L021 DISTA H71 GP L158 837 M 547 PAL 6 E 22 G264 PAR 823 H 102 BMS 300 mg 1158 .7 7.5/1000 C 20 SL 456 N120 VP 045 E 39 C5 or C2 H 105 1157