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 54 017 75 50 BAC 20 N 77 ZC43 M 1850 MP 66 HH210 S BRONKAID A 2 3126 A-24 V233 DONNATAL logo and 63 N020 par 027 398 logo and 342 M 2 SZ 349 H 602 93-5 X08 VS320 G&W 0555 MYLAN 148 4 logo and 201 NP 5 AUM 101 BL 01 B4 C PAL 3 01030 Nitro-Dur 0.6 mg/hr CT2 GSK MYLAN 6725