nitrogen
trihydride
N
G
I
I
B
O
O
N
G
B
G
B
O
N
I
B
N
B
I
O
I
O
I
O
B
N
G
G
G
B
Size:
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Start
N
History
Start
N
G
I
I
B
O
O
N
G
B
G
B
O
N
I
B
N
B
I
O
I
O
I
O
B
N
G
G
G
B
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