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 P 054 M 547 C162 APTALIS 5 MYLAN 2264 IP 189 West-ward 450 3169 Syntho 833 5 MYLAN A U S T504 195 ONE A DAY 44 532 EP 134 609 AMBI 448 COUMADIN 1 EXH 32 M121 GX CE5 SJ IBU200 485 NP 14 568 G74 54 193 m 154 AP040 ZC 67 P-O 3138 MYLAN 197 TL 217 9Q3 E 19 54 722