Purpleflower Crotalaria Herb Herba Crotalariae

Monocrotaline was oxidized into monocrotaline N-oxide(MNO) by H_2O_2.

用过氧化氢氧化纯农吉利甲素,再用过氧化氢酶分解剩余的过氧化氢,结果制备出含一分子结晶水的农甲氮氧化物(MNO·H_2O)。