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 T539 M 60 128 WATSON 411 LCI 1445 AC 358 37 98 518 F19 25 I 51 V 200 E 263 123 PA 918 14 Lilly 3227 275 A 153 logo and 0304 logo and 3062 H 2 SG 326 252 AA69 KU 129 C43 GG 461 OS 304 WW1 232 and logo 5/1000 SZ 788 CL 76 APO 019 MSD 117 C 35 E 138 MINIPRESS G 3741 ANAFRANIL 25 mg