| 摘要 |
<p>Compounds of the general formula: especially those wherein R1 = 1-4 C alkyl or cycloalkyl; X = O, S, SO, SO2 or NR3 (R3 being H, methyl, ethyl or methylcyclopropyl); Y = Cl, methyl, trifluoromethyl or NO2; R2 = Cl, Br, methyl or methoxy; and n = 1 or 2, possess interesting properties to control plant growth.</p> |
