Synonyms: BatrachotoxinA (7CI); Batrachotoxinin A (8CI);7H-9,11b-Epoxy-13a,5a-propenophenanthro[2,1-f][1,4]oxazepine-9,12(8H)-diol,1,2,3,4,7a,10,11,11a,12,13-decahydro-14-(1-hydroxyethyl)-2,11a-dimethyl-,[5aR-[5aa,7ab,9a,11ab,11ba,12a,13aa,14(S*)]]-; BTX-A; [5aR-[5aa,7ab,9a,11ab,11ba,12a,13aa,14(S*)]]-1,2,3,4,7a,10,11,11a,12,13-Decahydro-14-(1-hydroxyethyl)-2,11a-dimethyl-7H-9,11b-epoxy-13a,5a-propenophenanthro[2,1-f][1,4]oxazepine-9,12(8H)-diol