[EN300-7506947-0.05g] thieno[2,3-b]pyrazine-2-carboxylic acid 1,654,000원
[EN300-7506947-0.1g] thieno[2,3-b]pyrazine-2-carboxylic acid 2,141,000원
[EN300-7506947-0.25g] thieno[2,3-b]pyrazine-2-carboxylic acid 3,028,091원
[EN300-7506947-0.5g] thieno[2,3-b]pyrazine-2-carboxylic acid 4,740,727원
[EN300-7506947-1g] thieno[2,3-b]pyrazine-2-carboxylic acid 6,061,364원
[EN300-7506947-2.5g] thieno[2,3-b]pyrazine-2-carboxylic acid 11,821,182원
[EN300-7506947-5g] thieno[2,3-b]pyrazine-2-carboxylic acid 17,462,273원
[EN300-7506947-10g] thieno[2,3-b]pyrazine-2-carboxylic acid 25,863,364원