6894
( - ) - 6 - ( 7 - Methoxy - 2 - ( trifluoromethyl ) pyrazolo [ 1 , 5 - a ] pyridin - 4 - yl ) - 5 - methyl - 4 , 5 - dihydropyridazin - 3 ( 2H ) - one ( KCA - 1490 ) exhibits moderate dual PDE3 / 4 - inhibitory activity and promises as a combined bronchodilatory / anti - inflammatory agent .
 Chemical: ( - ) - 6 - ( 7 - Methoxy - 2 - ( trifluoromethyl ) pyrazolo [ 1 , 5 - a ] pyridin - 4 - yl ) - 5 - methyl - 4 , 5 - dihydropyridazin - 3 ( 2H ) - one; Chemical: KCA - 1490
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ( - ) - 6 - ( 7 - Methoxy - 2 - ( trifluoromethyl ) pyrazolo [ 1 , 5 - a ] pyridin - 4 - yl ) - 5 - methyl - 4 , 5 - dihydropyridazin - 3 ( 2H ) - one; Chemical: KCA - 1490