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 150 C 94 TENORMIN MF 2 M RN1 G 0522 O T 193 D 25 PA46 G455 EVOXAC MS B1 S 226 B 526 Surfak E27 or E24 Triax M050 FLAGYL 250 logo and Zenith 100 mg EC-NAPROSYN 319 Pepto Bismol 8 Z 4235 IP 219 4942 L 301 G 13 GG 2 4 9 MP A 49 N050 ALEVE SD 12 IMU RAN 50 RDY610 E 404 DIPENTUM 250mg