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\documentclass[a4paper,12pt]{report}
\usepackage{german,ochem}
\begin{document}
\begin{chemistry}[bsp1]
multiline(1,L)
{ formula(L,R,"(E)-Buten-2")
{ atom("H$_3$C",R,R)
bond(30; -30,=; 30) atom("CH$_3$",L)
}
space(R)
formula(L,R,"Essigs""aure")
{ atom("H$_3$C",R,R) bond(0)
branch{ bond(45,=C) atom("O",L);
bond(-45) atom("O",C,L) atom("H",L);
atom("C");
}
}
space(R)
formula(L,R,"Cumarin")
{ ring(){ 5: ring(,1,H)
{ 3: atom("O");
4: bond(30,=C) atom("O");};
}
}
space(R)
formula(L,R)
{ ring(,,H,,4,-45)
{ 0: bond(30,<.) atom("Br",L);
0: bond(-60,<<) atom("OH",L);
}
};
}
\end{chemistry}
\end{document}
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