Pill Identification by Imprints: P21 Home Pill Identification by Imprints: P21 4 results LOSARTAN POTASSIUM 25 MG TAB Side 1: LU Color: White Side 2: P21 Shape: Oblong LOSARTAN POTASSIUM 25 MG TAB Side 1: LU Color: White Side 2: P21 Shape: Oblong LOSARTAN POTASSIUM 25 MG TAB Side 1: LU Color: White Side 2: P21 Shape: Oblong LOSARTAN POTASSIUM 25 MG TAB Side 1: LU Color: White Side 2: P21 Shape: Oblong Other Popular Drug Imprint 2106 K 101 U30 U27 T 20 logo and 665 U 88 C020 MCR 117 C 94 CIPRO UCB 583 54 036 logo and 202 RX 537 36 01 UNISOM 271/100 ZD 19 54 543 CL 25 ML 53 1140 533 ADDERALL XR L424 E 210 BAYER BAYER 67 Y G 019 RU40 MYLAN 6201 M 27 logo and 500-20 BL 60 OMJ 100 M 030 R 5 L059 M 444