methyl 2-[(Z)-[[2-(2-oxopyridin-1-yl)acetyl]hydrazinylidene]methyl]benzoate
以上海关编码,可以定制咨询
methyl 2-[(Z)-[[2-(2-oxopyridin-1-yl)acetyl]hydrazinylidene]methyl]benzoate以上海关编码,可以定制咨询
methyl 2-[(Z)-[[2-(2-oxopyridin-1-yl)acetyl]hydrazinylidene]methyl]benzoate
以上海关编码,可以定制咨询