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 3 VM Estroven 467 ML 91 par 220 T536 EP or E A 2 26 4H2 400 Lactase M-3 PP WELLBUTRIN 75 ZVR 100 logo 1115 782 SEA RLE 10 41 80 207 SZ 431 MYLAN 271 NA 500 logo 1000 logo and 718 PD 158 45 mg G 342 1385 RSV 5 C42 M D9 OS 304 WATSON 416 CL 31 W 516 GG 340 44-346 A200 I 49