A class of novel compounds is disclosed which has utility as plant growth regulators, having the general formula: ##STR1## in which X is O or S, Y is one of the group: ##STR2## R is H or CH.sub.3, Q is phenyl or chlorophenyl when Q' is hydrogen, or Q and Q' together may form the remainder of a benzene ring.
披露了一类新型化合物,它们作为
植物生长调节剂具有实用价值,具有以下通用公式:##STR1## 其中X是O或S,Y是以下一组中的其中一个:##STR2## R是H或CH.sub.3,当Q'是氢时,Q是苯基或
氯苯基,或者Q和Q'可以一起形成苯环的其余部分。