H
T
P
- o
  - O
  - O
  - O
  - O
- T
N
V
O
- B
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- T
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N

Optical Brighteners For Plastic, Resin

B
O

O

O2, 1, F,C<

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荧光增白剂KCB新 — O
L

BBU正 — O

cof — O

nfw-l — O

荧光增白剂KSN新 — O

荧光增白剂KSB新 — O

荧光增白剂PF新 — O

Intermediate

B

O
O
O
O
O
1
O
O
2
O
4
O

G
G
B

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O

H2
D
t2
I
G2
D
E2
W
A2
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J2
O

g

O
F
F
2
F
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1
2
F
1
O

3
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