Abstract: Novel 5-halopyridine-3-carboxamide compounds having the general formula (I) ##STR1## or salts thereof wherein R is hydrogen atom or a group of --(CH.sub.2).sub.n --R.sub.1 wherein n is an integer from 1 to 4 and R.sub.1 is hydrogen atom, hydroxy group, lower alkoxy group, mercapto group, lower alkylthio group, amino group, di-lower alkylamino group, C.sub.1-11 alkyl group, lower alkenyl group, lower alkynyl group, cycloalkyl group, 5- or 6-membered heterocyclic group or aryl group which may be substituted by one or two substituents of halogen, lower alkyl or lower alkoxy;R.sub.2 and R.sub.3 are, the same of different, hydrogen atom, halogen atom, cyano group, nitro group, amino group, lower akyl group, halogenated lower alkyl group, hydroxy group, lower alkoxy group, aryloxy group, carboxy group or lower alkoxycarbonyl group;X is halogen atom; which compounds possess growth inhibitory activities and also anti-inflammatory activity.

Abstract: Novel pyridinecarboxamide derivatives having the general formula (I) ##STR1## or salts thereof wherein R is hydrogen atom, alkoxy group, aralkyloxy group or a group of --(CH.sub.2).sub.n --R.sub.1 wherein n is an interger from 1 to 3 and R.sub.1 is hydrogen atom, hydroxy group, lower alkoxy group, mercapto group, lower alkylthio group, amino group, di-lower alkylamino group, C.sub.3-11 alkyl group, lower alkenyl group, lower alkynyl group, cycloalkyl group, 5- or 6-membered heterocyclic group, or aryl group which may be substituted by one or two substituents of halogen, lower alkyl or lower alkoxy;R.sub.2 is halogen atom, lower alkyl group, hydroxy group, lower alkoxy group, aryloxy group, carboxy group or lower alkoxycarbonyl group;R.sub.3 is hydrogen atom, halogen atom or lower alkyl group, which possess plant growth inhibitory activities and also anti-inflammatory activity.

Abstract: A compounds of the general formula (I): ##STR1## wherein R.sup.1 is alkyl, lower alkenyl, lower alkynyl, aralkyl, haloalkyl, lower alkoxy-lower alkyl, lower alkylthio-lower alkyl or lower alkoxycarbonyl-lower alkyl group; R.sup.2 is aryl group which may be substituted by one or more groups of halogen atom, lower alkyl, lower alkoxy, lower alkoxycarbonyl, trifluoromethyl, cyano and nitro group; R.sup.3 and R.sup.4 are, the same or different, lower alkyl, aralkyl, haloalkyl or cycloalkyl, or aryl group which may be substituted by one or more groups of halogen atom, lower alkyl, lower alkoxy, trifluoromethyl, cyano or nitro group; R.sup.5 is hydrogen atom, halogen atom, lower alkyl, phenyl which may be substituted or aralkyl which may be substituted; or R.sup.4 and R.sup.5 may be combined to form a group of --(CH.sub.2).sub.n - in which n is 3 or 4, or its 1-oxide or addition salt. which is useful as a plant growth inhibitory agent.

Abstract: A pyrone-3-carboxamide compound of the formula (I): ##STR1## in which R.sub.1 is an alkyl group, and R.sub.2 is an alkyl group or a halogen atom, which is useful as a medicine and an agricultural chemical or an intermediate thereof.

Abstract: Novel pyridinecarboxamide compounds having the general formula (I) ##STR1## or salts thereof wherein R is alkoxy group, aralkyloxy group or a group of --(CH.sub.2).sub.n --R.sub.1 wherein n is an integer from 1 to 3 and R.sub.1 is hydroxy group, lower alkoxy group, mercapto group, lower alkylthio group, amino group, di-lower alkylamino group, C.sub.3-11 alkyl group, lower alkenyl group, lower alkynyl group, cycloalkyl group, 5- or 6-membered heterocyclic group, or aryl group substituted by one or two substituents of halogen, lower alkyl or lower alkoxy; R.sub.2 and R.sub.3 bond at the 3,4 or 5 position of benzene ring and are, the same or different, hydrogen atom, halogen atom, cyano group, nitro group, amino group, lower alkyl group, halogenated lower alkyl group, hydroxy group, lower alkoxy group, aryloxy group, carboxy group or lower alkoxycarbonyl group, which possess plant growth inhibitory activities and also antiinflammatory activity.