以 。。 09 HMQC of 40 pg of Strychnine in 160 ul benzene 500 MH HMQ · 5 374 375 376 HMQC of 40 µg of Strychnine in 160 µl benzene 500 MHz 377 O O OH OH HO 6 3 8 2' 3' 378 O O OH OH HO OH OCH3 379 HMQC O O OCH3 OH H3CO OH