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 S 21 COUMADIN 2 BP 815 U KEY 74 L015 FE1 RDY ESL400 L 347 ZL 2 WATSON 800 IP 101 Flomax 0.4 mg 180mg F7 3604 MYLAN 6900 SEROQUEL 25 ZA-17 2080 547 202 or 222 AX MYLAN 2500 U13 JKI 11 A 117 A1 AN248 L 1 10 00 L146 MP 85 C 474 MP 47 93 319 GG 614 1 KLONOPIN AN35