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 RP 867 TV 5401 MP 273 W 516 EL600 K 23 M450 ALKA SELTZER PLUS ZESTRIL 10 AR 100 G443 MARGESIC 2102 PP MP 114 BN6 ML 91 TENORMIN TI 01 GG 296 554 G147 I33 GG855 WATSON 383 or WATSON 9 2 ex-lax T 25 MYLAN 1200 TL518 PC16 89 APO 041 L023 U86 1105 A 16 CL51 MYLAN 6899 PAR 821