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 93 7335 B854 B 3 SZ 76 CL91 V402 WATSON 460 VANCO 227 or 292 ML 33 S190 VALTREX 500 mg VANDA 20 MG 330 285 ER 2 T 25 VALTREX 1 gram MAX FE N022 NQ FV DAN 100 E613 10 MMD T 45 RX679 LAMICTAL XR 250 L962 799 131 BCM 50 A 32 A22 VANQUISH 211 L344 2063 V 93 832 7.5/1000