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 M367 54 006 APTALIS 40 LASIX R PH 034 4833M GG 2 4 9 M133 PD 157 207 NoDoz 54 447 par 220 logo and 1004 EZEM AL 21 2631 MYLAN 167 783 WW 948 N 60 RX632 MUTUAL 899 105 CN 250 54 549 FLI 14 mg MYLAN MT 7 195 826 G 022 8119 K 8 ER 7 14 or 11 B 311 44-411 ML 62 PERCOCET 5 571