Pill Identification by Imprints: CHAO F04 Home Pill Identification by Imprints: CHAO F04 1 result CYCLOSERINE 250 MG CAPSULE Side 1: CHAO F04 Color: Red Side 2: CHAO F04 Shape: Oblong Other Popular Drug Imprint L58 I86 839 CRIXIVAN MYLAN 5280 Vivotif 21 or 18 V359 W 925 ZA07 SZ 431 ML 36 CALAN MYLAN DX 150 0145 O20 MD 562 US 15 M L52 V251 FENTANYL 400 MCG E 71 KPI 1161 Nitro-Dur 0.6 mg/hr OMEPRAZOLE 40 mg E3 or C2 PF SZ 201 93 54 E 42 9R MYLAN 6089 EP112 logo and Pamelor 10 mg LCE 75 1346 P 200 P 300 M378