1.The preparation of anisaldehyde by ozonolysis reaction from anethole was studied.

1.以脑为原料,乙酸烷的混合物做剂,臭氧化法制醛。

2.The oil contains not less than 60.0 per cent of anethole and not less than 15.0 per cent of fenchone.

2.油所含脑不得少于60.0%，小酮不得少于15.0%。