Pill Identification by Imprints: ERTH Home Pill Identification by Imprints: ERTH 1 result METHENAMINE MD 1 GM TABLET Side 1: ERTH Color: Blue Side 2: 1000 Shape: Oblong Other Popular Drug Imprint T 194 IP 54 583 TL 216 CPC 76 S 571 T1 100 5011 V C 116 T P L498 CIFEREX N150 AK 160 MYLAN 6320 CP113 4890 VIRACEPT 923 M1000 M 86 467 MYLAN A1 logo BI-33 Vivotif 54 763 logo and 575 TUMS KU 128 E27 or E24 Z 13 L355 logo and PCE AP 84 R471 711 207 LESCOL XL C25 ZIKS 633