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 93 5512 E 53 248 M 722 54 591 logo and 115 POTABA 51 G 1 TARO 56 GG 55 b 775 GG 439 3138 E 774 54 107 CP 75 N 10 G 5007 S77 YS 01 ZE 50 M L ZC 07 OME 20 HORIZON 205 L 35 L486 ATN J95 44 679 MSD 117 L 3 M159 RDY608 L272 FENTANYL 50mcg/hr MP 659 54 346 Lilly 3270 logo and 144