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 93 7335 TEGRETOL L130 N 175 PD 527 NICHE 150 XL 755/93 832 25 XANAX 1.0 barr 16 mg C162 1044 HP 174 K 55 RX724 logo and 4346 AMBI 442 APR COUMADIN 3 cor 187 TCL 086 969 MP/974 cor 238 E 104 GG 540 T591 NORPRAMIN 50 93 3167 G 11 SC17 M 39 1067 A-P 2 A5 or A6 PARLODEL 5 mg MYLAN 3422 ZC 65 E 16