103-72-0
硫代异氰酸苯酯
+
2899-00-5
3-methyl-2-piperidinylbenzothiazolidine
→
34547-43-8
3-methyl-1',3'-diphenylspiro[1,3-benzothiazole-2,5'-imidazolidine]-2',4'-dithione