"Dibromo-1,3,4-thiadiazole "
"Dibromo-1,3,4-thiadiazole "
"Dibromo-1,3,4-thiadiazole "
"Dibromo-1,3,4-thiadiazole "
"Dibromo-1,3,4-thiadiazole "
快速溝通
2,5-二溴-1,3,4-噻二唑
快速溝通
2,5-二溴-1,3,4-噻二唑