118520-72-2
methyl 2-[(4-methylphenyl)ethynyl]benzoate
→
~95%
120870-46-4
2-[(4-methylphenyl)ethynyl]benzoic acid
98-88-4
苯甲酰氯
62827-73-0
3-(4-methylphenyl)isochromen-1-one