Pill Identification by Imprints: M 543 Home Pill Identification by Imprints: M 543 0 results Nothing Found!!! Other Popular Drug Imprint NP PFIZER 399 F23 logo and 143 M-541 WATSON 862 179 4810 G 020 RI52 603 W 1037 par 117 IP 305 P 44 542 485 ML 58 MYLAN 8200 G38 L124 logo and FHPC 400 G71 IDT O 5 010 MP 272 RE 24 U85 313 A5 PD 158 logo and 241 93 311 W N 82 MP 26 ML 33 3 1 N 11 G-DS-50