Pill Identification by Imprints: P291 Home Pill Identification by Imprints: P291 1 result AMILORIDE HCL 5 MG TABLET Side 1: P291 Color: Off-White Side 2: Shape: Diamond Other Popular Drug Imprint WPI 500 WATSON 424 YS 02 M D6 13 15/500 A 42 200 ER MYLAN 1430 FPI EXELON PATCH 9.5 mg/24 hours BHDI WP 5901 C83 ZF 43 QP 146 9R PD 237 B082 U 128 RDY610 25 222 MONODOX 75 W 1031 L282 YB L158 EM2 I4 400 mg 874 4 V 23 Y 43 MYLAN TE 2 312 N4 V221 ZC 01 HP 3 WELLBUTRIN XL 150 44 615 or 44 544