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 Tofranil-PM 150 mg 4I KEY 74 mynatal WPI 867 G 020 WPI 900 MYLAN 3120 325/40 P0.5 A23 54 879 T0101 APO 033 IP 464 M 2 93 63 ZE 50 AAA 1031 ZYBAN 150 MYLAN 8020 AP4 logo and 5313 G 70 SV J3T OLM S 40 LL 252 SB 4141 M R 54 602 S4 CPC 490 626 785 4741 K 16 PD 156 fentanyl 1200 mcg MYLAN 8021