医药级, PharmPure™
98%
85%
≥92%
95%
96%
≥98%
AR,98%
≥97%
mixture of isomers,≥90%
Standard for GC, ≥99.5%(GC)
≥97%, mixture of isomers
≥90%(GC)
99%
97%
食品级, ≥97%
90%