Pill Identification by Imprints: MP 542 Home Pill Identification by Imprints: MP 542 4 results SPIRONOLACTONE 50 MG TABLET Side 1: MP 542 Color: White Side 2: Shape: Round SPIRONOLACTONE 50 MG TABLET Side 1: MP 542 Color: White Side 2: Shape: Round SPIRONOLACTONE 50 MG TABLET Side 1: MP 542 Color: White Side 2: Shape: Round SPIRONOLACTONE 50 MG TABLET Side 1: MP 542 Color: White Side 2: Shape: Round Other Popular Drug Imprint USL 10 Triax M0100 Kaopectate 2232 131 B105 NORCO 071 L344 54 511 712 D99 576 RIDAURA 93/7439 521 256 MYLAN 1730 MP 201 logo and 4359 Renvela 800 L012 721 b 776 UPSHER-SMITH 0102 POT 40 TARO PHN 100 ZC 09 80 297 L204 1 85 8 8 E 42 EXTRA STRENGTH BAYER PLUS M RN1 K 78 PH 063 692 U85 WATSON 235