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 ZC 67 GC 101 MYLAN 1700 M 090 1068 L546 L200 AP 86 M 23 Y 45 EC 7 11 CARDIZEM Watson 526 E 70 MYLAN 2100 269/60 38AV E 213 A6 WW 270 RI 0.75 BCT 2 1/2 U40 FV K 14 HP 195 C C C U48 N 941 7156 756 MVC-008 or MVC-007 A 25 B853 KPI 117 M 4 IN150 BMS 140