IUPAC:(1S,5R,13R,15Z,17S)-4-(cyclopropylmethyl)-10,17-dihydroxy-15-(phenylmethylidene)-12-oxa-4-azapentacyclo[9.6.1.0^{1,13}.0^{5,17}.0^{7,18}]octadeca-7,9,11(18)-trien-14-one; (2Z)-but-2-enedioic acid
IUPAC:(1S,5R,13R,15Z,17S)-4-(cyclopropylmethyl)-10,17-dihydroxy-15-(phenylmethylidene)-12-oxa-4-azapentacyclo[9.6.1.0^{1,13}.0^{5,17}.0^{7,18}]octadeca-7,9,11(18)-trien-14-one; (2Z)-but-2-enedioic acid