C
F
P
- C
  - B
  - B
  - B
  - B
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N
P
S
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Optical Brighteners For Plastic, Resin

C
C

B

TB, C, C,C<

p

ST-3 (5) — C
c

荧光增白剂4bk新 — D

荧光增白剂ER-2新 — C

荧光增白剂OB新 — C

荧光增白剂351新 — C

荧光增白剂KCB新 — C

nfw-l — C

Intermediate

P

C
O
O
4
O
2
C
M
T
C
C
1

B
V
A

B

A
O

A
F

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C
E2
A
F2
A
j1
E
M2
O
M2
F

p

A
A
B
C
B
C
A
O
C
F
F

3
T
s

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