Pill Identification by Imprints: S591 Home Pill Identification by Imprints: S591 1 result TELMISARTAN-HYDROCHLOROTHIAZIDE 40-12.5 MG TB Side 1: S591 Color: Pink Side 2: Shape: Oblong Other Popular Drug Imprint A2 25 FI T 21 MYLAN 7170 GS 454 HLP 40 BI 11 NORCO 729 L873 G 241 LASIX R 286 93 782 54 177 E 655 RG 11 L 239 H 106 UCB 584 RE 75 logo and KT U 34 IMO AN 641 216 112 G 30 K 76 P 15 HYCAMTIN M 30 fentanyl 600 mcg L149 M 142 A 43 IDT M100 42 16 V DSC L60 ZC 15