| 1. | Methyl para - hydroxybenzoate or ethyl pare - hydroxybenzoate or
对羟基苯甲酸乙酯或 |
| 2. | Ethyl para - hydroxybenzoate or propyl para - hydroxybenzoate or
对羟基苯甲酸丙酯或 |
| 3. | Methyl para - hydroxybenzoate or ethyl para - hydroxybenzoate or
对羟基苯甲酸甲酯或 |
| 4. | Food additive propyl p - hydroxybenzoate
食品添加剂对羟基苯甲酸丙酯 |
| 5. | Benzoic acid or methyl para - hydroxybenzoate or
对羟基苯甲酸乙酯或 |
| 6. | Food additive ethyl p - hydroxybenzoate
食品添加剂对羟基苯甲酸乙酯 |
| 7. | Methyl para - hydroxybenzoate , sodium salt
对羟基苯甲酸乙酯， |
| 8. | Synthesis of ethyl p - hydroxybenzoate with the solid superacid s2o2 - 8 zro2 - al2o
3催化合成对羟基苯甲酸乙酯 |
| 9. | Ethyl para - hydroxybenzoate , sodium salt
邻苯基苯酚钠 |
| 10. | Methyl para - hydroxybenzoate or
对羟基苯甲酸乙酯或 |
