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 EXH 32 PARLODEL 2 1/2 F21 SAT 232 and logo ARI 30 E225 WW 173 PREMPRO 0.625/2.5 425 MX1 10 mg and 3513 PREMPRO 0.2 ARI 15 S252 P/T Y03 AC 132 PV20 I7 T 25 cor 238 30mg logo and 620 54 463 BMS 6063 COUMADIN 5 S2 T 100 54 775 EN1 200 PAXIL M 253 H 146 1139 MCR 313 L 27 1386 M D10