Pill Identification by Imprints: DS 500 Home Pill Identification by Imprints: DS 500 1 result DISULFIRAM 500 MG TABLET Side 1: MYLAN Color: White Side 2: DS 500 Shape: Oblong Other Popular Drug Imprint 74 ZE FENTANYL 1600 M123 NICHE 381 100 logo and 3063 ER 3 MYLAN 5427 590 IP 305 logo and 346 E 1 NATCO Y+ or M+ D FENTANYL 200 NOVAST Granisetron 3.1 mg/24 hours RX679 81 3 1 TYLENOL PM DHA 510 M 29 I 10 PA83 logo and 500 F 71 B AYE R 133 I 27 1 Z330 30 mg 5 14 717 SEARLE E 17 logo and 2839 G 019