全部
>90%(GC),含1000ppmMEH
≥90%(GC), contains 1000 ppm MEHQ as stabilizer
90%
97%,stabilized with MEHQ
97%(stabilized with MEHQ)
98.0%(GC)
98% (stabilized with MEHQ)
98%,stabilized with MEHQ
98+%
Assay: 99.9%
technical grade, contains 1000 ppm monomethyl ether hydroquinone as inhibitor