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 ZC 26 natelle 1 A 10 ZA22 5 mg Estradiol 0.0375 mg/day G 12 SZ442 M 3 3 5 S593 V264 T 278 V401 L59 A CS 93 41 FL11 8311 logo and 325 93 292 G8 111 ADL 2698 u100 L190 BCM 50 M 1840 Poly 782 1311 GS FC2 93 3145 435 93 7351 A602 WATSON 462 HYD 30 44 532 logo and LANNETT ZBO