150127-27-8
2-Chloro-5,6-dimethyl-3-pyridinamine
→
133627-26-6
11-ethyl-2,3-dimethyl-5H-dipyrido[2,3-b:2',3'-f][1,4]diazepin-6-one
49609-84-9
2-氯烟酰氯