2、Nucleoside class
2-Chloroadenosine/146-77-0、
Cytosine/71-30-7
Isocytosine/108-53-2
2,6 – Dichloropurine/5451-40-1
2,4-Dichloro-5-methylpyrimidine/1780-31-0
Thymine/65-71-4
5-Methylcytosine Hydrochloride/554-01-8
5-Methylcytosine hydrochloride/58366-64-6
2-Aminopyrimidine/109-12-6
5-Bromopyrimidine/4595-59-9
2,6-Dichloropurine riboside/13276-52-3

3、Chiral resolution agent：
S-(+)-Mandelic acid，17199-29-0
R-(-)-Mandelic acid，611-71-2
O-Acetyl-L-mandelic Acid/7322-88-5
O-Acetyl-D-mandelic Acid/51019-43-3
D-(-)-Mandelic Acid Ethyl Ester/10606-72-1
L-(+)-Mandelic Acid Ethyl Ester/13704-09-1
D-(-)-Mandelic Acid Methyl Ester/20698-91-3
L-(+)-Mandelic Acid Methyl Ester21210-43-5
Di-p-toluoyl-D-tartaric acid monohydrate/D-DTTA(H2O)/71607-32-4
D(+)-O,O'-di(p-toluoyl)tartaric acid /L-DTTA(H2O)/71607-31-3
(+)-Di-1,4-toluoyl-D-tartaric acid monohydrate/D-DTTA/32634-68-7
(-)-Di-p-toluoyl-L-tartaric acid/L-DTTA/32634-66-5
(+)-Dibenzoyl-D-tartaric acid monohydrate/D-DBTA(H20) /80822-15-7
(-)-Dibenzoyl-L-tartaric acid monohydrate/L-DBTA (H2O)/62708-56-9
(+)-dibenzoyl-(D)-tartaric acid/D-DBTA/17026-42-5
(2R,3R)-(-)-dibenzoyl-L-tartaric acid anhydrous/L-DBTA/2743-38-6