[EN300-7506947-0.05g] thieno[2,3-b]pyrazine-2-carboxylic acid 1,819,400원
[EN300-7506947-0.1g] thieno[2,3-b]pyrazine-2-carboxylic acid 2,355,100원
[EN300-7506947-0.25g] thieno[2,3-b]pyrazine-2-carboxylic acid 3,330,900원
[EN300-7506947-0.5g] thieno[2,3-b]pyrazine-2-carboxylic acid 5,214,800원
[EN300-7506947-1g] thieno[2,3-b]pyrazine-2-carboxylic acid 6,667,500원
[EN300-7506947-2.5g] thieno[2,3-b]pyrazine-2-carboxylic acid 13,003,300원
[EN300-7506947-5g] thieno[2,3-b]pyrazine-2-carboxylic acid 19,208,500원
[EN300-7506947-10g] thieno[2,3-b]pyrazine-2-carboxylic acid 28,449,700원