chemical@@1	chemical	chemical ingredient	2
chemical@@1	chemical	impurity	1
chemical@@-	chemical	molecular	4
chemical@@1	chemical	concoction	1
chemical@@-	chemical	adjective	1
chemical@@-	chemical	bio-chemical	1
chemical@@1	chemical	synthetic substance	1
chemical@@-	chemical	element	1
chemical@@-	chemical	chemical element	1
chemical@@-	chemical	property	1
chemical@@-	chemical	dangerous	1
chemical@@-	chemical	at the chemical level	1
chemical@@-	chemical	chemical science	1
chemical@@1	chemical	drug	1
chemical@@-	chemical	chemist	1
chemical@@1	chemical	molecular composite	1
chemical@@-	chemical	toxic	2
chemical@@1	chemical	substance	2
chemical@@-	chemical	chemical-related	1
chemical@@-	chemical	artificial	1
chemical@@1	chemical	formula	1
chemical@@1	chemical	chemical agent	1
chemical@@-	chemical	chemical substance	4
chemical@@-	chemical	synthetic compound	1
chemical@@-	chemical	chemical property	1
chemical@@1	chemical	mixture of substances	1
chemical@@-	chemical	drug-like	1
chemical@@-	chemical	chemistry professional	1
chemical@@-	chemical	chemistry	1
chemical@@-	chemical	chemical compound	3
chemical@@1	chemical	chemical compound	3
chemical@@1	chemical	contaminant	1
chemical@@-	chemical	man-made	1
chemical@@-	chemical	structural	1
chemical@@1	chemical	explosive	1
chemical@@-	chemical	molecular composition	1
chemical@@1	chemical	compound	6
chemical@@1	chemical	synthetic ingredient	1
chemical@@-	chemical	"	3
chemical@@-	chemical	e.g.	5
chemical@@-	chemical	chemically-based	1
chemical@@-	chemical	hazardous	1
chemical@@-	chemical	particular	1
chemical@@-	chemical	chemical substances	1
chemical@@-	chemical	elemental	1
chemical@@-	chemical	synthetic drug	1
chemical@@1	chemical	chemical substance	9
chemical@@1	chemical	harsh ingredient	1
chemical@@-	chemical	radical	1
chemical@@1	chemical	preparation	1
chemical@@-	chemical	synthetic	1
chemical@@-	chemical	chemistry field	1
chemical@@-	chemical	pharmaceutical chemical	1