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 K 401 logo and 2892 MD barr 30 mg U42 L 299 VIP 106 M C28 5mg 93/7439 V 150 B 8 30/4 239 ACA 100mg G 45 PV20 GAB 800 logo and 404 logo and KT D3 or P EM 5 IP 54 M D11 MP 46 P24HR ELN 60 MYLAN 2047 M A30 T29 MYLAN 3005 A-002 KU 261 404 US 14 T2 200 398 PR 265 25 102