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 H 149 B082 L237 RDY 665 E3 or E6 52H 52H 213 IBgard C 74 749 013 M GP10 53 299 I 27 NC 100 CARDURA I 16 H568 D 85 EP 320 l81 ECR 86 K 44 612 LH2 MP 114 TriStart 93 757 219 023 RX 504 R137 IP 10 IP 78 K 401 0145 GAB 600 G 127 PLIVA 334