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 V362 P 5 WPI 845 OMEGA-RX RI 62 Estradiol 0.05 mg/day U38 E 136 I 52 IP 220 81 G442 MACRODANTIN 100 mg ML 61 CC Voltaren XR A029 EP logo and 2892 250 MG 93 294 G 222 148 logo and 341 134 FL 28/10 C316 PLIVA 326 V16 HP 26 L212 M P3 SZ 349 I 72 A116 CP 402 MYLAN 4430 NL 791 MINOCYCLINE 50 ML 91