2-pyrazoline 2-pyrazoline
structural formula business number 030a molecular formula c3h6n2 molecular weight 70.09 label 4,5-dihydro-1h-pyrazole, whitening agent numbering system physical property data toxicological data ecolog…
structural formula business number 030a molecular formula c3h6n2 molecular weight 70.09 label 4,5-dihydro-1h-pyrazole, whitening agent numbering system physical property data toxicological data ecolog…