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 G80 G433 UPSHER-SMITH P 40 HP 227 4009 M 243 5 6 54 299 I 1 7 RI 61 U-S 41 EV 0079 Niraparib T32 AA 72 VP 011 GP P24HR ABG MYLAN 2045 B167 M 544 logo and 52 barr PBT 103 FELBATOL 400 VH3 1106 UPSHER-SMITH 0084 7155 377 Kaopectate 132 15/30 or P1 E226 EGLT 15 BL 01 S20