35976-46-6
5-methoxy-1,3,3-trimethyl-2-methylideneindole
+
708-06-5
2-羟基-1-萘甲醛
→
20200-59-3
5-甲氧基-1,3,3-三甲基螺[二氢吲哚-2,3'-[3H]萘并[2,1-b]吡喃]