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 R 20 BP 649 BL L1 861 A08 265/10 UL W 784 F 77 61 SEROQUEL 50 TEGRETOL ML 95 AA 12 TO 60 WPI 3331 ZA-09 MVC 75 M 177 TOP DAN 5535 SFE Tiazac 420 69 93 130 COMTAN CTI 223 logo and 152 CYP 192 136 GG 337 H118 logo and 60 UCB 750XR ZESTRIL 30 0891 BL 07 logo and 833 BPI 152 X