托伐普坦中间体Tolvaptan 1. 7-氯-1,2,3,4-四并[B]氮杂卓-5-酮 (CAS NO:160129-45-3) 7-Chloro-1,2,3,4-tetrahydrobenzo[b] azepin-5-one 2. 7-氯-1,2,3,4-四-1-(2--4-甲酰基)-5H-1-并氮杂卓-5-酮 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepine-5-on (CAS NO:137982-91-3) 3. 1-(4-氨基-2-甲酰基)-7-氯-1,2,3,4-四-5H-1-并氮杂卓-5-酮 1-(4-Amino-2-methylbenzoyl)-7-chloro-1,2,3,4-tetrahydro-5H-1-benzazepine-5-one (CAS NO:137977-97-0) 4. N-[4-[(7-氯-2,3,4,5-四-5-氧代-1H-1-并氮杂卓-1-基)羰基]-3-基]-2-甲酰胺 N-[4-[7-Chloro-2,3,4,5-tetrahydro-5-oxo-1H-1-benzazepine-1-yl)carbonyl]-3-methylphenyl]-2-methylbenzamide (CAS NO:137973-76-3)