1089665-23-5
4-diazo-2,3,4,5-tetrahydro-2,2-dimethyl-5,5-diphenylfuran-3-one
→
1201785-44-5
2,2-dimethyl-4,4-diphenyloxetane-3-carboxylic acid
119-61-9
二苯甲酮
541-47-9
3,3-二甲基丙烯酸