4.1.3.3	aldol addition	reversible aldol cleavage	713843	
4.1.3.3	aldol condensation	-	715921	
4.1.3.3	C-C bond cleavage	-	658576	
4.1.3.3	C-C-bond cleavage	-	693709	
4.1.3.3	C-C-bond cleavage	aldol cleavage	690576	
4.1.3.3	condensation	-	-	
4.1.3.3	elimination	of an oxo-acid, C-C bond cleavage	-