label: 2,3,10,11-tetramethoxy-8a,16a-diphenyl-8,8a,13,14,16,16a-hexahydropyrazino(2,1-a-5,4-a')diisoquinoline-5(6H)-one
label_lc: 2,3,10,11-tetramethoxy-8a,16a-diphenyl-8,8a,13,14,16,16a-hexahydropyrazino(2,1-a-5,4-a')diisoquinoline-5(6h)-one