heptyl造句怎么写

2、In the first part, the synthesis of heptyl paraben was studied.

1、Synthesis of isoalkyl phosphonic acid(1-methyl)heptyl monoester

3、In conclusion, the main flavoring substances on tobacco smoking were 2, 4-heptyl diene, phenylcarbinol, solanone, damascenone, ionone and 4-vinyl-2-methoxy phenol.