Section 06 Products of the chemical or allied 30 Pharmaceutical products 30 04 Medicaments of mixed or unmixed products, for retail sale 30 04 20 Containing gentamycin, lincomycin, sulfamethoxazole or their derivatives, of a kind t 30 04 20 10 Containing gentamycin, lincomycin, sulfamethoxazole or their derivatives, of a kind t Commodity Code Description 30 04 20 10 00 Containing gentamycin, lincomycin, sulfamethoxazole or their derivatives, of a kind t