Pill Identification by Imprints: M 437 Home Pill Identification by Imprints: M 437 3 results SPIRONOLACTONE 100 MG TABLET Side 1: M 437 Color: White Side 2: Shape: Round SPIRONOLACTONE 100 MG TABLET Side 1: M 437 Color: White Side 2: Shape: Round SPIRONOLACTONE 100 MG TABLET Side 1: M 437 Color: White Side 2: Shape: Round Other Popular Drug Imprint NL M 55 G 4960 54 145 715 A/P 12.5 / 45 BN4 RD74 P 241 EP 906 L837 U S AR 60 RP 115 MT2 Climara 0.0375mg/day WATSON 861 1070 KU 260 341 logo and 25 mg E 757 L994 Tiazac 180 FL11 CL 44 CPC 1325 Alavert 510 AA 05 O15 MP 474 W 3 logo and 833 M 155 MYLAN ZE 20 93 5268 NC 200 D05 WATSON 410