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 PRA 80 ZC38 2176 HYD 60 T1 125 logo and 6 B056 1180 C133 54 974 TCL 086 K 100 n 574 VP 120 44 157 L485 CZ 100 RX 12 MYLAN 5200 WW 66 4827 L922 CTI 115 BUMEX 1 E 10 SZ 788 HALCION 0.25 L441 LANOXIN U3A M 154 U 168 AA 79 CL 43 93 3109 2083 V A/P 12.5 / 15 93 3165 SP 325 TV 2 GPI W2