Pill Identification by Imprints: M 50 Home Pill Identification by Imprints: M 50 2 results CHLOROTHIAZIDE 250 MG TABLET Side 1: M 50 Color: White Side 2: Shape: Round METOPROLOL SUCC ER 50 MG TAB Side 1: m 50 Color: White Side 2: Shape: Round Other Popular Drug Imprint HYPROST CN 1 E 774 logo and 718 C 271 A 594 54 343 ZC18 L829 HORIZON 205 X X MYLAN 232 IX525 SG 326 MP 973 T1 50 CTI 112 54 036 P12 25 3RP M159 LASIX and logo 80 W 926 V2 AZ 267 AAT 101 PLIVA 471 O10 ZA21 A300 E 47 MIA 856 MYLAN 3422 S G logo and 56 2104 V O5 547 W 716