Pill Identification by Imprints: M451 Home Pill Identification by Imprints: M451 1 result PHENAZOPYRIDINE 200 MG TAB Side 1: M451 Color: Reddish-Brown Side 2: Shape: Round Other Popular Drug Imprint 801 2232 BP 650 KRC500 FLUOXETINE 10 mg AN 1 861 30mg SZ Z7 KU 260 LE 10 B 3 54 942 045 logo and 100 mg ZYRTEC 5686 Climara 0.06mg/day L 66 par 028 XR 400 62.5 457 K-TAB B 683 148 Andrx 826 S 434 CA ZGNX 20 mg logo and 2918 U28 PD 157 AN 323 MP 573 1122 WATSON or WATSON 075 93 4069 PO S1 54 328