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2019ִҵҩʦ⣺ÿһ3.14

2019-03-14 13:39:26| й

2019ִҵҩʦԱѿʼйΪ׼ִҵҩʦϣ㿼ִҵҩʦͬʱṩִҵҩʦѶִҵҩʦÿһ

(12⹲ñѡ)

A.295300nm

B.217220nm

C.17001800cm1

D.420nm

E.40cm1

1.ǿյUVշΪ

2.ǿյUVշΪ

(36⹲ñѡ)

A.α-

B.β-

C.β-

D.

E.26-ȥ

ø߻ˮרԣָøյø

3.ѿø

4.תø

5.ø

6.άø

(79⹲ñѡ)

A.ȩṹ

B.2 0Hṹ

C.б

D.4-C=O

E.2 0H4-C=O5-OH

7.ȡղˮ󣬺pH=12õճ

8.ǦɳȺɫΪ

9.ԻɫغɫΪ

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2019ִҵҩʦ⣺ÿһ𰸽3.14

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