Pill Identification by Imprints: MP 303 Home Pill Identification by Imprints: MP 303 5 results SPIRONOLACTONE 100 MG TABLET Side 1: MP 303 Color: White Side 2: Shape: Oval SPIRONOLACTONE 100 MG TABLET Side 1: MP 303 Color: White Side 2: Shape: Oval SPIRONOLACTONE 100 MG TABLET Side 1: MP 303 Color: White Side 2: Shape: Oval SPIRONOLACTONE 100 MG TABLET Side 1: MP 303 Color: White Side 2: Shape: Oval SPIRONOLACTONE 100 MG TABLET Side 1: MP 303 Color: White Side 2: Shape: Oval Other Popular Drug Imprint L 179 COZAAR logo and A2 BTG 9 5 T40 PREMARIN 0.625 555 U 88 BMS 1966 N 136 Y 42 X X PF Watson 372 BI VIP C42 ADAMAS 170 IMA 400 G 150 mg 202 M 542 54 857 44 334 G 1530 WATSON 605 E 118 H 48 PFIZER 411 MYLAN 4070 ML 041 G 343 268/40 U85 nGL WW65 P F 329 W D 92