TY - GEN TI - Stereochemistry of norditerpenoid alkaloids by liquid chromatography/atmospheric pressure chemical ionization mass spectrometry SN - 1096-9888 PY - 2000/// PB - Journal of mass spectrometry : JMS N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/(SICI)1096-9888(200003)35:3<432::AID-JMS954>3.0.CO;2-6 ER -