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 J65 NPR LE 375 65 RX 830 MVC 150 V401 GG D8 113 MYLAN 6726 MYLAN 3110 GS 7CZ M 177 I 53 7663 V359 B4 C W 786 MYLAN 512 R 127 logo and PB TCL 081 190 BMS 80 WPI 3510 West-ward 769 P620 G 3721 MP 112 C 474 M R A/C 40/25 314 A/C 40/12.5 S 902 AAT 051 RVT 20 F52 3970 logo and 665 TV 5655