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 L48 MEDROL 4 VIBRA M 134 SZ 344 54 892 ALKA SELTZER PLUS PLIVA 483 Watson 371 377 L 105 TARO 55 242 2 L59 L 80 626 AN899 15 F22 93 311 C53 LAN 1231 70 A333 M AC BRX 0.5 C280 cor 134 54 199 Fentanyl 75 mcg/hr OWP 750 n 351 L 34 MYLAN TE 2 L 5 G 421 M 313 720 1/2 b 971 NL 790 A/P 25 / 30