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 1451 Pin-X P 20 M V5 DAN 5561 LILLY 3251 BR 348 TYLENOL 160 A028 C 735 IP 203 AAT 052 381 100 R136 ZF 14 1159 L14 4742 H126 b 94 44 112 SP/3 logo and 2372 A 21 J66 ZESTRIL 20 H 149 VP068 IP 52 l81 519 RC GGP logo and 1112 XR 400 AC 133 TL020 MJ 755 M 543 MYLAN 1001 RD 70