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 44 348 AG AG T 150 VS320 NOVO 291 1106 TYLENOL PM 81 LES200 ALO300 MYLAN 8008 cor 224 NF5 ZC 78 IP 78 MYLAN DX 150 RX693 54 733 D05 ALG 265 L 300 CL 83 AHI 4 54 162 OP 704 Ortho or Ortho 535 93 4069 30/4 341 612 logo and 144 1000 logo and 5241 SZ 788 AAA 1031 P 15 MP 903 E701 CL 74 35 86 T1 75