“戊基”造句
2024年03月03日 10:06:19
0.2%α - 吡喃酮WP的 有效成分为5, 6- 二氢-6-
戊基-2H-吡喃 -2- 酮(5, 6-dihydro-6-pentyl-2H-pyran-2-one ).
The active ingredient of α - pyrone 0.2 % wettable powder is 5,6 - dihydro - 6 - pentyl - 2 H - pyran - 2 - one.
报道了空气中乙基
戊基甲酮的气相色谱测定方法.
A gas chromatographic method for the determination of 3 - octanone in occupational atmospheres was developed.
2-
戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.