87.7
[]. Francesco Fringuelli, et al. One-Pot Synthesis of 3-Carboxycoumarins via Consecutive Knoevenagel and Pinner Reactions in Water. Synthesis 003(5): 33-33.
H30-H35-H39-H335
P6-P6-P70-P7-P80-P30+P35-P30+P30-P330-P36+P36-P05-P50
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