赤芍主要挥发成分为（Z, Z）-9, 12-十八碳二烯酸，正十六碳酸和2-羟基苯甲醛。
The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
以对羟基苯乙酰胺为原料，经烷基化、水解、酯化、氧肟化等4步反应合成丁苯羟酸，总收率为46．5％。
With pHydroxybenzeneactamide as the starting material, the Bufemaxac was prepared by means of four steps reaction of alkylation, hydrolyzing, esterification and Ooximation with total yield of 46.5%.
利用卟啉的1-羟基苯并三氮唑活性酯可将卟啉基团直接修饰在商品化的寡核苷酸片断上。
The porphyrin moiety was modified on the commercial oligonucleotides through the active 1-hydroxybenzotriazole esters of the porphyrins.
新型紫外光吸收剂的主要成分包括：水杨酸苯酯类及其衍生物、三嗪类或邻羟基苯丙三唑类化合物。
The novel ultraviolet absorber mainly comprises the ingredients of: phenyl salicylates and derivatives thereof, and triazine or ortho-hydroxyazimidobenzene compounds.
苯丙烯酸的生物毒性大于对羟基苯甲酸。
Cinnamic acid had more greater action intensity than p-hydroxy benzoic acid.
苯丙烯酸的生物毒性大于对羟基苯甲酸。
Cinnamic acid had more greater action intensity than p-hydroxy benzoic acid.
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