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 ibr WW 33 I 72 CL 042 NL 4 K 6 M CL1 498 PH 043 HP 2 G264 M 127 ALG 263 TI 100 L054 CP 75 RJ71 logo 355 321 ASL ID 4186 N 740 logo and 241 MYLAN 271 2080 L 301 logo and 4346 SV PAD 0115 AAT 108 93 711 TI 200 M 75 L20 par 121 UT 0.125 RES200 R25 V250