Pill Identification by Imprints: KEY 74 Home Pill Identification by Imprints: KEY 74 1 result GUANIDINE HCL 125 MG TABLET Side 1: KEY 74 Color: White Side 2: Shape: Round Other Popular Drug Imprint logo and 5240 M 543 L150 CM3 037 K 27 44-411 K 77 BP 632 WATSON 582 V362 381 100 AMBI 444 WATSON 462 W 786 M112 ML 87 DYN-065 TL019 ZOMIG 2.5 TENORETIC P64 49 U7 or U13 EP 50 EP136 L161 BCM 50 2101 135 BG-12 240 mg E 615 VP 021 A03 A15 logo and 4805 WP 0321 N 135 T 543 G 240