Pill Identification by Imprints: M 13 Home Pill Identification by Imprints: M 13 2 results TOLBUTAMIDE 500 MG TABLET Side 1: M 13 Color: White Side 2: Shape: Round TOLBUTAMIDE 500 MG TABLET Side 1: M 13 Color: White Side 2: Shape: Round Other Popular Drug Imprint 676 44 348 300 XL U S L553 MYLAN MT 14 C 54 RX 900 barr 250 mg 8 07 1 2 VIP 3626 ML 72 EL510 Nitroglycerin 0.4 mg/hr cor 130 1 9 RP RCC 557 IBgard 720 LB2 C 283 ANI 511 L023 MP 201 or MP 802 0145 ND2 SZ 985 SZ 74 MP 772 S 430 HP 38 T591 AD 54 662 A15 E 10 714