Pill Identification by Imprints: M450 Home Pill Identification by Imprints: M450 1 result PHENAZOPYRIDINE 100 MG TAB Side 1: M450 Color: Reddish-Brown Side 2: Shape: Round Other Popular Drug Imprint UM NORPRAMIN 150 674 M75 Z8 303 E 11 584 N L 457 L14 L151 C 20 GG 126 93 756 SZ 137 CP114 CL 74 H011 BL 06 T20 C 73 G500 U46 V201 West-ward 254 432 T 192 5126 V 93 294 HLA 20 PH 044 L212 logo and 5711 F 77 WATSON 3211 V 1 KU 119 C51 EL510