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 VALTREX 1 gram L 217 93/7439 ZESTRIL 20 BMS 80 A112 MP 973 C 3 1451 APO T150 216 CL 85 K 101 54 746 SA 50 A20 logo and 325 WATSON 2404 93 5514 C 2 503 2.5/325 ESL600 5412 LL713 C* E 221 MF 1 BP50 or plain L 4 315 logo and 5306 H 102 ANI 511 cpc43 LEMMON MYLAN 6727 V30 HYPROST L430