• 4,5,6,7-tetrahydrotolyltriazole = add-3,h42021-12-15
• 1,2,4,5-cyclohexanetetrcarboxylic dianhydride(hpmda)2021-12-14
• 4,4′-diamino-[1,1′-biphenyl]-2,2′- dicarboxylic acid2021-12-14
• 4,5-dimethoxy-2-nitrophenylacetic acid2021-12-13